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US Patent: 175,280
Improvement in guards for shaping-machines
Patentee:
Marquard Hansen - San Francisco, CA

USPTO Classifications:
144/251.2

Tool Categories:
woodworking machines : woodworking machine parts or accessories : woodworking machine safety guards

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George H. Strong
John L. Boone

Patent Dates:
Applied: Aug. 11, 1875
Granted: Mar. 28, 1876

Patent Pictures:
USPTO pdf tiff
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