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US Patent: 425,208
Calipers
Patentee:
George Carlyle (exact or similar names) - Detroit, MI

USPTO Classifications:
33/501.06

Tool Categories:
layout tools : calipers

Assignees:
George Maitland - Detroit, MI

Manufacturer:
Not known to have been produced

Witnesses:
Charles H. Fisk
Effie I. Croft
Patent Dates:
Applied: Jan. 31, 1889
Granted: Apr. 08, 1890

Patent Pictures:
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