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CA Patent: CA-21,971
Mortising machine
Patentee: James Oppenheimer (exact or similar names) - Shenandoah, IA USPTO Classifications: 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: Unknown	Patent Dates: Granted: Jul. 02, 1885 Patent Pictures: CIPO Data Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for Square Hole Auger Co.
Description: This is the Canadian equivalent of US patent 307,065.

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