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US Patent: 173,152
Improvement in Drill-Chucks
Patentee:
Thomas R. Almond - Fitchburg, MA

USPTO Classifications:
279/62

Tool Categories:
woodworking tools : hand drills : drill chucks

Assignees:
None

Manufacturer:
Unknown

Witnesses:
T. K. Ware
George W. Cann

Patent Dates:
Applied: Aug. 18, 1875
Granted: Feb. 08, 1876

Patent Pictures:
USPTO pdf tiff
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