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US Patent: 842,999
Rafter and Polygon Bevel
Patentee:
Albert O. Calhoon (exact or similar names) - Victor, MO

USPTO Classifications:
33/342, 33/354, 33/388, 33/423

Tool Categories:
layout tools : squares : carpenter squares
layout tools : levels
layout tools : bevels

Assignees:
None

Manufacturer:
Albert O. Calhoon - Victor, MO

Witnesses:
Robert A. Boswell
Franklin H. Hough

Patent Dates:
Applied: Oct. 05, 1906
Granted: Feb. 05, 1907

Patent Pictures: [ 1 | 2 ]
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Description:
Known nickle plated example is marked "A.O. CALHOON VICTOR, MO. PAT. FEB. 5, 07" as well as "THE CALHOON RAFTER & POLYGON BEVEL".

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