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US Patent: 597,335
Micrometer Depth Gage
Patentee:
Frank Spalding - Providence, RI

USPTO Classifications:
33/836

Tool Categories:
metalworking tools : machinist tools : measuring tools : micrometer depth gages

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

Manufacturer:
Not known to have been produced

Witnesses:
M. F. Bligh
Charles H. Luther, Jr.
Joseph A. Miller, Jr.

Patent Dates:
Applied: Mar. 29, 1897
Granted: Jan. 11, 1898

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.
Description:
Joseph A. Miller & Co. - patent attorneys

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