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US Patent: 120,405
Improvement in panel-raising machines
Patentee:
Dwight F. Walker (exact or similar names) - Minneapolis, MN

USPTO Classifications:
144/114.1, 144/135.2, 144/198.1, 144/219, 144/224, 144/225, 144/243, 144/251.1, 144/251.2, 144/278.1, 144/85

Tool Categories:
woodworking machines : specialty woodworking machines : panel raising machines

Assignees:
None

Manufacturer:
Walker Brothers - Philadelphia, PA

Witnesses:
Charles H. Woods
R. R. Bryant

Patent Dates:
Granted: Oct. 31, 1871

Patent Pictures: [ 1 | 2 ]
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Vintage Machinery entry for Walker Brothers
Description:
This machine was written up in the 1871-10-28 issue of "Scientific American".

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