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US Patent: 2,361,441
Hardness testing indenter
Patentee:
Charles H. Wilson (exact or similar names) - Pelham, NY

USPTO Classifications:
73/85

Tool Categories:
metalworking tools : machinist tools : measuring tools : metal hardness testers

Assignees:
Wilson Mechanical Instrument Co., Inc. - New York, NY

Manufacturer:
Wilson Mechanical Instrument Co., Inc. - New York, NY
Wilson Mechanical Instrument Division, American Chain & Cable Co., Inc. - Bridgeport, CT

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 24, 1943
Granted: Oct. 31, 1944

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Wilson Mechanical Instrument Co.
Description:
This hardness testing tip is intended for testing very hard and thin materials such as chrome plating.

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