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US Patent: 495,300
Stair-Beveling Instrument
Patentee:
John A. Caldwell (exact or similar names) - Vancouver, BC Canada

USPTO Classifications:
33/29

Tool Categories:
trade specific : carpenter

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. F. Upham
G. B. Fisher

Patent Dates:
Applied: Sep. 10, 1892
Granted: Apr. 11, 1893

Patent Pictures:
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