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US Patent: 1,412,284
Tool Holder
Patentee:
Samuel J. Hellman (exact or similar names) - Los Angeles, Los Angeles County, CA

USPTO Classifications:
81/177.75, 81/28

Tool Categories:
industrial tools : tool holders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 10, 1921
Granted: Apr. 11, 1922

Patent Pictures:
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