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US Patent: 684,452
Beam Compass
Patentee:
Karl Oswald Muehlberg (exact or similar names) - Braddock, PA

USPTO Classifications:
33/27.03

Tool Categories:
layout tools : compasses : trammels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Fred H. Sweet
Walter Famariss
G. C. Raymond
Robert C. Totten

Patent Dates:
Applied: May 08, 1901
Granted: Oct. 15, 1901

Patent Pictures:
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