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Manufacturers Index - Wilson Mechanical Instrument Co.

Wilson Mechanical Instrument Co.
New York, NY, U.S.A.
Manufacturer Class: Metal Working Machinery

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
1,516,207 Nov. 18, 1924 Hardness-testing machine Stanley P. Rockwell Syracuse, NY One of the two patents covering the original and famous Rockwell hardness tester; see also patent 1,516,208.
1,516,208 Nov. 18, 1924 Hardness-testing machine Stanley P. Rockwell West Hartford, CT One of the two patents covering the original and famous Rockwell hardness tester; see also patent 1,516,207.
1,571,310 Feb. 02, 1926 Penetrator for testing penetration hardness Charles H. Wilson North Pelham, NY It is not known whether this patent was used, but the inventor had established the Wilson Mechanical Instrument Co., Inc., to manufacture Rockwell hardness testers.
1,885,972 Nov. 01, 1932 Hardness testing gauge Charles H. Wilson Pelham, NY Improvements to the Rockwell hardness tester, patents 1,516,207 and 1,516,208.
1,890,923 Dec. 13, 1932 Test piece support for hardness testers Charles H. Wilson Pelham, NY It is not known whether this patent was used, but the inventor had established the Wilson Mechanical Instrument Co., Inc., to manufacture Rockwell hardness testers.
336,012 Sep. 26, 1933 Hardness tester Charles H. Wilson Pelham, NY Canadian equivalent of US patent 1,885,972, which covers improvements to the Rockwell hardness tester.
395,516 Mar. 25, 1941 Hardness testing device Charles H. Wilson Pelham, NY
2,361,441 Oct. 31, 1944 Hardness testing indenter Charles H. Wilson Pelham, NY This hardness testing tip is intended for testing very hard and thin materials such as chrome plating.
2,362,941 Nov. 14, 1944 Penetrator chuck retainer David F. Sklar Brooklyn, NY Improvements to a portion of patent 1,885,972.