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US Patent: 673,687
Beam Compass
Patentee:
Samuel L. Penfield (exact or similar names) - New Haven, CT

USPTO Classifications:
33/27.03

Tool Categories:
layout tools : compasses : trammels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. H. Shumway
Lillian D, Kelsey
Fred C. Earle
George D. Seymour

Patent Dates:
Applied: Dec. 31, 1900
Granted: May 07, 1901

Patent Pictures:
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