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US Patent: 1,252,040
Combination Spring Tool Holder
Patentee:
Max Schonbrunn - New York, NY

USPTO Classifications:
407/10, 407/79, 407/89

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George W. Naylor
C. Bradway

Patent Dates:
Applied: Jun. 21, 1917
Granted: Jan. 01, 1918

Patent Pictures:
USPTO pdf tiff
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