US Patent: 2,254,549 - Sintered metal composition


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US Patent: 2,254,549

Sintered metal composition

Patentee:

Louis Small (exact or similar names) - Detroit, MI

USPTO Classifications:

106/38.9, 419/47, 419/58

Tool Categories:

industrial tools : grinding wheels : grinder dressers

metalworking machines : grinders : grinder dressers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Nov. 12, 1938
Granted:	Sep. 02, 1941

Patent Pictures:

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Vintage Machinery entry for Service Diamond Tool Co.

Description:

Inventor Louis Small (1913-2002) was a mechanical engineer who founded Service Diamond Tool Co., makers of grinder dressers and hardness testers. He was born in New York, and lived in Detroit and suburbs before retiring to Sarasota, FL. He obtained several patents related to hardness testers plus grinder dressers and their manufacture.