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Manufacturers Index - Hall Manufacturing Co.
Patents
This page contains information on patents issued to this manufacturer.

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USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
75,576 Mar. 17, 1868 Bench Vise Mason Prentiss Cambridge, NY
113,656 Apr. 11, 1871 Impovement in Vises William P Harwood Cambridge, NY
211,993 Feb. 04, 1879 Vise Jaws James F Hall Havana, NY
231,181 Aug. 17, 1880 Pipe-grip Mortimer G. Lewis Lowville, NY
19,434 May. 28, 1884 Bench vice Mortimer G. Lewis Lowville, NY
1,692,439 Nov. 20, 1928 Grinding Tool Ernest A. Hall Toledo, Lucas County, OH
300,746 Nov. 22, 1928 Improvements in Cylinder Grinders Hall Mfg. Co. Toledo, Lucas County, OH
1,694,705 Dec. 11, 1928 Valve Hone Ernest A. Hall Toledo, Lucas County, OH
1,695,548 Dec. 18, 1928 Gas Burner Gordon E. Burns Toledo, Lucas County, OH
    Gas Burner Ernest A. Hall Toledo, Lucas County, OH  
285,926 Dec. 25, 1928 Cylinder Hone Ernest A. Hall Toledo, Lucas County, OH
    Cylinder Hone Gerald J. Lindroth Toledo, Lucas County, OH  
1,696,477 Dec. 25, 1928 Cylinder Hone Ernest A. Hall Toledo, Lucas County, OH
    Cylinder Hone Gerald J. Lindroth Toledo, Lucas County, OH  
290,588 Jun. 18, 1929 Cylinder Hone Ernest A. Hall Toledo, Lucas County, OH
1,723,160 Aug. 06, 1929 Supporting Standard for Cylinder Hones Ernest A. Hall Toledo, Lucas County, OH
1,748,126 Feb. 25, 1930 Pilot Stem Ernest A. Hall Toledo, Lucas County, OH
1,760,493 May. 27, 1930 Portable Grinding Tool Ernest A. Hall Toledo, Lucas County, OH
1,796,842 Mar. 17, 1931 Cylinder Hone Ernest A. Hall Toledo, Lucas County, OH
1,831,172 Nov. 10, 1931 Cylinder Hone Ernest A. Hall Toledo, Lucas County, OH
734,156 Oct. 17, 1932 Appareil à Rectifier les Sièges de Soupape Hall Mfg. Co. Toledo, Lucas County, OH
734,157 Oct. 17, 1932 Outil à Aléser les Cylindres Hall Mfg. Co. Toledo, Lucas County, OH
329,840 Jan. 31, 1933 Cylinder Reamer Ernest A. Hall Toledo, Lucas County, OH
330,018 Feb. 07, 1933 Cylinder Working Tool Ernest A. Hall Toledo, Lucas County, OH
330,019 Feb. 07, 1933 Valve Seat Grinder Ernest A. Hall Toledo, Lucas County, OH
389,274 Mar. 16, 1933 Cylinder Reamer Hall Mfg. Co. Toledo, Lucas County, OH
390,622 Apr. 13, 1933 Improvements in or Relating to Cylinder Honing Devices Hall Mfg. Co. Toledo, Lucas County, OH
1,906,263 May. 02, 1933 Valve Seat Grinder Ernest A. Hall Toledo, Lucas County, OH
1,909,347 May. 16, 1933 Cylinder Working Tool Ernest A. Hall Toledo, Lucas County, OH
1,918,642 Jul. 18, 1933 Cylinder Reamer Ernest A. Hall Toledo, Lucas County, OH
1,922,202 Aug. 15, 1933 Cylinder Working Tool Ernest A. Hall Toledo, Lucas County, OH
    Cylinder Working Tool William E. Heuer Toledo, Lucas County, OH  
751,729 Sep. 08, 1933 Outil à Meuler les Sièges de Soupapes Hall Mfg. Co. Toledo, Lucas County, OH
398,245 Sep. 11, 1933 Valve Seat Grinder Hall Mfg. Co. Toledo, Lucas County, OH
1,931,986 Oct. 24, 1933 Cylinder Hone William E. Heuer Toledo, Lucas County, OH
1,938,330 Dec. 05, 1933 Suction Nozzle for Valve-Seat Grinders Ernest A. Hall Toledo, Lucas County, OH
1,941,837 Jan. 02, 1934 Device for Adjusting Cylinder Hones and the Like William E. Heuer Toledo, Lucas County, OH
1,941,918 Jan. 02, 1934 Valve Grinding Machine Emil F. Schwakopf Brooklyn, Kings County, NY
407,186 Mar. 15, 1934 Improvements in Valve Seat Grinding Tools Hall Mfg. Co. Toledo, Lucas County, OH
1,955,182 Apr. 17, 1934 Suction Device for Cylinder Boring Machines Ernest A. Hall Toledo, Lucas County, OH
1,955,183 Apr. 17, 1934 Tool Balancing Means Ernest A. Hall Toledo, Lucas County, OH
2,010,759 Aug. 06, 1935 Pilot Stem Ernest A. Hall Toledo, Lucas County, OH
2,042,782 Jun. 02, 1936 Dust Removing Means for Valve Seat Grinders or the Like Ernest A. Hall Toledo, Lucas County, OH
2,042,783 Jun. 02, 1936 Adjusting Means for Sleeve Bearings Ernest A. Hall Toledo, Lucas County, OH
634,784 Sep. 03, 1936 Zylinderbohrmaschine Hall Mfg. Co. Toledo, Lucas County, OH
641,899 Feb. 17, 1937 Ventilsitzschleifmaschine Mit Zentrierstange Hall Mfg. Co. Toledo, Lucas County, OH
2,092,117 Sep. 07, 1937 Valve Facing Means Ernest A. Hall Toledo, Lucas County, OH
2,116,498 May. 10, 1938 Grinding Machine Ernest A. Hall Toledo, Lucas County, OH
378,556 Dec. 27, 1938 Grinding Machine Ernest A. Hall Toledo, Lucas County, OH
501,338 Feb. 22, 1939 Valve Seat Grinding Means Hall Mfg. Co. Toledo, Lucas County, OH
2,150,621 Mar. 14, 1939 Pilot for Valve Seat Facing Tools Ernest A. Hall Toledo, Lucas County, OH
2,176,071 Oct. 17, 1939 Collet Construction Ernest A. Hall Toledo, Lucas County, OH
2,221,918 Nov. 19, 1940 Valve Grinding Machine Kenneth R. Bohn Toledo, Lucas County, OH
    Valve Grinding Machine Ernest A. Hall Toledo, Lucas County, OH  
2,318,854 May. 11, 1943 Portable Valve Seat Grinding Means Ernest A. Hall Toledo, Lucas County, OH
2,338,484 Jan. 04, 1944 Grinding Tool Robert S. Beverlin Toledo, Lucas County, OH
2,338,509 Jan. 04, 1944 Grinding Machine Robert S. Beverlin Toledo, Lucas County, OH
    Grinding Machine Ernest A. Hall Toledo, Lucas County, OH  
2,338,763 Jan. 11, 1944 Portable Grinding Machine Robert S. Beverlin Toledo, Lucas County, OH
    Portable Grinding Machine Ernest A. Hall Toledo, Lucas County, OH  
2,363,384 Nov. 21, 1944 Method of Grinding Valve Seats and Similar Areas Robert S. Beverlin Toledo, Lucas County, OH
429,298 Aug. 07, 1945 Grinding Tool Robert S. Beverlin Toledo, Lucas County, OH
429,299 Aug. 07, 1945 Portable Grinding Machine Robert S. Beverlin Toledo, OH
    Portable Grinding Machine Ernest A. Hall Toledo, OH  
429,300 Aug. 07, 1945 Grinding Machine Robert S. Beverlin Toledo, Lucas County, OH
    Grinding Machine Ernest A. Hall Toledo, Lucas County, OH