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US Patent: 534,152
Beam Compass
Patentees:
Christian F. Heinkel - Cleveland, OH
Gottlieb Weber - Cleveland, OH

USPTO Classifications:
33/27.031, 403/290

Tool Categories:
layout tools : compasses : trammels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. F. Burke
C. M. Buettuer
George W. Tibbitts
K. K. Atwater

Patent Dates:
Applied: May 26, 1894
Granted: Feb. 12, 1895

Patent Pictures:
USPTO pdf tiff
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