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US Patent: 455,461
Beam Compass
Patentee:
William H. Hattel (exact or similar names) - Dayton, OH

USPTO Classifications:
33/27.031

Tool Categories:
layout tools : compasses : trammels

Assignees:
None

Manufacturer:
William H. Hattel - Dayton, OH

Witnesses:
George Trimbach
Jacob Stephans
Patent Dates:
Applied: Jan. 20, 1891
Granted: Jul. 07, 1891

Patent Pictures: [ 1 | 2 ]
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