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US Patent: 3,084,538
Tester for plastic deformation and elastic deformation of tested materials
Patentees:
Louis Small (exact or similar names) - Detroit, MI
Howard Small (exact or similar names) - Detroit, MI

USPTO Classifications:
73/83

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

Assignees:
None

Manufacturer:
Service Diamond Tool Co. - Ferndale, MI

Witnesses:
Unknown

Patent Dates:
Applied: May 12, 1960
Granted: Apr. 09, 1963

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Service Diamond Tool Co.

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