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US Patent: 552,238
Screw Thread Gage
Patentee:
Samuel Darling - Providence, RI

USPTO Classifications:
33/199R

Tool Categories:
metalworking tools : machinist tools : measuring tools : thread gages

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Harry J. Garcean
Henry E. Reynolds

Patent Dates:
Applied: Sep. 05, 1895
Granted: Dec. 31, 1895

Patent Pictures:
USPTO pdf tiff
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