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US Patent: 777,605
Taper Calipers
Patentees:
Osborne B. Creamer - Camden, ME
Alonzo J. Q. Knowlton - Camden, ME

USPTO Classifications:
33/456

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. Brown
W Baletilde
M. T. Crawford
E. E. Hosmar

Patent Dates:
Applied: Mar. 14, 1904
Granted: Dec. 13, 1904

Patent Pictures:
USPTO pdf tiff
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