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US Patent: 365,181
Trammel
Patentee:
Alban Heiron - San Leandro, CA

USPTO Classifications:
33/27.03

Tool Categories:
layout tools : compasses : trammels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Frank Courant
Charles H. Crompton

Patent Dates:
Applied: Feb. 15, 1887
Granted: Jun. 21, 1887

Patent Pictures:
USPTO pdf tiff
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