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US Patent: 724,963
Calipers
Patentee:
Alfred Guy Spaulding - Norfolk, VA

USPTO Classifications:
33/679.1

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles K. Davis
N. Cleveland
W. W. Woodhouse
Milton B. Holmes

Patent Dates:
Applied: Oct. 14, 1902
Granted: Apr. 07, 1903

Patent Pictures:
USPTO pdf tiff
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