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US Patent: 846,304
Punch
Patentee:
James F. Hardy (exact or similar names) - New York, NY

USPTO Classifications:
30/364

Tool Categories:
punches

Assignees:
Consolidated Dental Manfufacturing Co. - New York, NY

Manufacturer:
Consolidated Dental Manfufacturing Co. - New York, NY

Witnesses:
H. D. Bultwan
James Murray

Patent Dates:
Applied: Mar. 15, 1905
Granted: Mar. 05, 1907

Patent Pictures: [ 1 | 2 ]
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Martin J. Donnelly Antique Tools
Description:
My invention relates to a punch, and more paticularly to a punch for use by dentists in punching holes in sheets of rubber, known as "rubber dam".

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