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US Patent: 574,429
Calipers
Patentee:
John D. Johnson - Newport, RI

USPTO Classifications:
33/558.2

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Edwin G. McKee
K. A. Nau
Darius Baker
W. O. Milne

Patent Dates:
Applied: Feb. 21, 1896
Granted: Jan. 05, 1897

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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