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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 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Stan Schulz 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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