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US Patent: 796,612
Screw Gage
Patentee:
Frank Spalding - Providence, RI

USPTO Classifications:
33/199R

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

Assignees:
Brown & Sharpe Mfg. Co. - Providence, RI

Manufacturer:
Not known to have been produced

Witnesses:
Ada E. Hagerty
J. A. Miller, Jr.

Patent Dates:
Applied: Dec. 01, 1904
Granted: Aug. 08, 1905

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.

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