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US Patent: 970,817
Calipers
Patentee:
William Henry Harris (exact or similar names) - Laurium, MI

USPTO Classifications:
33/674

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George W. Naylor
John K. Braduogel
J. H. Rice
Edward Rompf
Patent Dates:
Applied: Jan. 18, 1910
Granted: Sep. 20, 1910

Patent Pictures:
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