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US Patent: 187,431
Improvement in miter-machines
Patentee: John P. Tierney (exact or similar names) - Sacramento, CA USPTO Classifications: 83/763, 83/767 Tool Categories: industrial tools : miter boxes woodworking tools : miter boxes Assignees: None Manufacturer: Not known to have been produced Witnesses: Olwyn T. Stacy George H. Strong	Patent Dates: Applied: Sep. 04, 1876 Granted: Feb. 13, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin
Description: This is an improvement on patent 142,878.

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