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US Patent: 71,885
Improvement in Clamp-Screws
Patentee:
Charles L Kingsley - Meriden, CT

USPTO Classifications:
411/427, 81/119

Tool Categories:
work holding : vises : bench vises

Assignees:
Charles Parker - Meriden, CT

Manufacturer:
Charles Parker Co. - Meriden, CT

Witnesses:
J W Miles
John Parker

Patent Dates:
Granted: Dec. 10, 1867

Patent Pictures:
USPTO pdf tiff
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Description:
Clamping handle and nut

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