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Manufacturers Index - Producto Machine 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
1,689,635 Oct. 30, 1928 Milling machine Newman M. Marsilius Bridgeport, CT Improvements to patents 991,464 and 1,061,973.
1,756,831 Apr. 29, 1930 Milling machine Newman M. Marsilius Bridgeport, CT Improvements to the "'Pro-Ducto-Matic' and machines of its general type, adapted for high production of short-cut milling jobs... The machine is adapted for carrying different style turrets and fixtures and can thus be made to perform different kinds of milling operations, such as squaring, hexing, or octagon, straddle-milling, slabbing, grooving, keywaying, cross-milling, etc." This patent includes improvements to patent 1,689,635.
306,593 Dec. 09, 1930 Milling machine Newman M. Marsilius Bridgeport, CT
1,860,840 May. 31, 1932 Milling machine Oswald A. Olsen Bridgeport, CT Improvements to patents 1,689,635 and 1,756,831, and are relevant to "Pro-Ducto-Matic" production milling machines.
    Milling machine Newman M. Marsilius Bridgeport, CT  
1,865,198 Jun. 28, 1932 Milling machine Newman M. Marsilius Bridgeport, CT Improvements to patents 1,756,831 and 1,860,840 for "Pro-Ducto-Matic" production milling machines.
1,868,016 Jul. 19, 1932 Milling machine Oswald A. Olsen Bridgeport, CT This patent is a division of the application that became patent 1,860,840 and is applicable to "Pro-Ducto-Matic" production milling machines.
    Milling machine Newman M. Marsilius Bridgeport, CT  
1,881,794 Oct. 11, 1932 Cam milling machine Newman M. Marsilius Bridgeport, CT
1,895,333 Jan. 24, 1933 Milling machine Newman M. Marsilius Bridgeport, CT
1,895,334 Jan. 24, 1933 Cam miller Newman M. Marsilius Bridgeport, CT This is an "automatic milling machine particularly adapted for operating in irregular surfaces and adapted for operating on a plurality of pieces of work simultaneously."
1,921,421 Aug. 08, 1933 Removable guide pin Newman M. Marsilius Bridgeport, CT
2,245,676 Jun. 17, 1941 Tool attachment Emil M. Johnson Jamestown, NY This punch was improved in patent 3,063,319, granted to the same inventor and assigned to the Producto Machine Co., of Bridgeport, CT.
2,627,196 Feb. 03, 1953 Turning machine Newman M. Marsilius Trumbull, CT
2,627,313 Feb. 03, 1953 Safety device for die-sets Newman M. Marsilius Trumbull, CT
2,629,615 Feb. 24, 1953 Removable guide pin Newman M. Marsilius Trumbull, CT
2,670,953 Mar. 02, 1954 Stock feeding means Newman M. Marsilius Trumbull, CT
2,678,722 May. 18, 1954 Stock feeding means Newman M. Marsilius Trumbull, CT
3,055,714 Sep. 25, 1962 Die set bearing Harland H. Coffin Bridgeport, CT
3,063,319 Nov. 13, 1962 Machine punch having ejector pin retaining means Emil M. Johnson Jamestown, NY This innovation is a slug ejector for the punch of patent 2,245,676.
3,103,701 Sep. 17, 1963 Mold press Albert E. Calchera Trumbull, CT
    Mold press Frank J. Bucci Trumbull, CT  
3,170,735 Feb. 23, 1965 Insulated die set Harland H. Coffin Bridgeport, CT This die set has the upper and lower plates insulated from one another, as needed for EDM. The die set can still be used "in punch press production runs."
3,195,374 Jul. 20, 1965 Method of making an electrically insulated joint Harland H. Coffin Bridgeport, CT
3,222,717 Dec. 14, 1965 Blow molding system Sheldon Saslawsky Bridgeport, CT
    Blow molding system Richard P. Hyland East Walpole, MA  
3,222,720 Dec. 14, 1965 Heater indicating means for extrusion system Sheldon Saslawsky Bridgeport, CT
    Heater indicating means for extrusion system Richard P. Hyland East Walpole, MA  
3,222,968 Dec. 14, 1965 Machine punch having an ejector pin Carl Ernest Larson Bemus Point, NY
3,469,076 Sep. 23, 1969 Apparatus for removing flashing from molded plastic articles Sheldon Saslawsky Bridgeport, CT A laser is used to cut off the flashing from the molded article. The patent cites molded plastic bottles as an example of such an article.
2,058,197 Dec. 23, 1971 Kopierbearbeitungsmaschine Ferdinand John Kriz Fairfield, CT
3,892,158 Jul. 01, 1975 Angularly adjustable punch adaptor Gerard Gaston Frans Smeets ON, Canada
2,056,896 Mar. 25, 1981 Improvements in and relating to punch assemblies Michael Orrow , England
2,077,173 Dec. 16, 1981 Improvements in and relating to punching machines Michael Orrow , England