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US Patent: 611,391
Calipers
Patentee:
Harvey A. Pike (exact or similar names) - St. Louis, MO

USPTO Classifications:
200/52R, 33/501.5

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. A. Pennington
Hugh K. Wagner
F. R. Cornwall
Patent Dates:
Applied: Sep. 10, 1897
Granted: Sep. 27, 1898

Patent Pictures:
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