Manufacturers Index - Wilson Mechanical Instrument Co.
Wilson Mechanical Instrument Co.
New York, NY, U.S.A.
Manufacturer Class:
Metal Working Machinery
This page contains information on patents issued to this manufacturer.
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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
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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. |
|