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US Patent: 695,565
Calipers
Patentee:
George Knapp (exact or similar names) - Defiance, OH

USPTO Classifications:
33/558.01, 74/10R

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
O. M. Simpson
H. J. Shepard
John D. Lamb
C. E. Maxwell
Patent Dates:
Applied: Apr. 15, 1901
Granted: Mar. 18, 1902

Patent Pictures:
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