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US Patent: 159,456
Improvement in mortising machines
Hand-powered timber mortiser
Patentee:
Sven Rydbeck (exact or similar names) - Red Wing, MN

USPTO Classifications:
144/79

Tool Categories:
woodworking machines : joint making machines : portable timber mortisers
woodworking machines : human powered machines
woodworking machines : wood drilling and boring : portable timber mortisers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Olof Peterson
J. C. McClure

Patent Dates:
Applied: Aug. 26, 1874
Granted: Feb. 02, 1875

Patent Pictures:
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