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US Patent: 1,134,511
Valve-grinder
Patentee:
George K. Carlson (exact or similar names) - New York, NY

USPTO Classifications:
451/117

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 12, 1914
Granted: Apr. 06, 1915

Patent Pictures:
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Report data errors or omissions to steward George Langford
Description:
Inventor Carlson describes himself as "a subject of the Emperor of Russia, residing at New York."

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