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US Patent: 168,541
Improvement in shingle-machines
Patentee: William P. Valentine (exact or similar names) - San Francisco, CA USPTO Classifications: 83/705 Tool Categories: woodworking machines : specialty woodworking machines : shingle machines Assignees: None Manufacturer: Not known to have been produced Witnesses: C. M. Richardson John L. Boone	Patent Dates: Applied: Dec. 21, 1874 Granted: Oct. 05, 1875 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Improvement on patent 23,327. (RE2,107).

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