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US Patent: D45,907
Design for a Tapping Hammer
Patentee: Charles S. Duval (exact or similar names) - Holyoke, MA USPTO Classifications: D8/78 Tool Categories: trade specific : cooper woodworking tools : hammers Assignees: None Manufacturer: Not known to have been produced Witnesses: F. A. Cutter A. C. Fairbanks	Patent Dates: Applied: Mar. 19, 1913 Granted: Jun. 09, 1914 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Term of patent is 7 years.

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