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US Patent: 307,065
Mortising machine
Patentee: James Oppenheimer (exact or similar names) - Shenandoah, IA USPTO Classifications: 144/81 Tool Categories: woodworking machines : joint making machines : portable timber mortisers woodworking machines : wood drilling and boring : portable timber mortisers Assignees: None Manufacturer: Square Hole Auger Co. - Wooster, OH Witnesses: J. W. Hamilton Johnson A. E. H. Johnson	Patent Dates: Applied: May 07, 1884 Granted: Oct. 21, 1884 Reissue Information: Reissued as RE10,655 (Oct. 27, 1885) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Square Hole Auger Co.
Description: The Square Hole Auger Co. was reportedly established to manufacture this timber mortiser.

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