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US Patent: 513,348
Portable boring and mortising machine
Patentee: Edward K. Thoden (exact or similar names) - Brooklyn, NY USPTO Classifications: 408/22, 408/88 Tool Categories: woodworking machines : joint making machines : portable timber borers woodworking machines : wood drilling and boring : portable timber mortisers woodworking machines : joint making machines : portable timber mortisers woodworking machines : wood drilling and boring : portable timber borers Assignees: None Manufacturer: Not known to have been produced Witnesses: E. M. Clark F. W. Hornaford	Patent Dates: Applied: Mar. 25, 1893 Granted: Jan. 23, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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