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US Patent: 428,191
Beam Compass
Patentees:
Fred A. Welles - Milwaukee, WI
Thomas H. Harrison - Milwaukee, WI

USPTO Classifications:
33/27.031

Tool Categories:
layout tools : compasses

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. T. Benedict
Anna Faust

Patent Dates:
Applied: Jun. 05, 1889
Granted: May 20, 1890

Patent Pictures:
USPTO pdf tiff
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