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US Patent: 842,263
Micrometer Calipers
Patentee:
Frank Spalding - Providence, RI

USPTO Classifications:
33/825

Tool Categories:
metalworking tools : machinist tools : measuring tools : inside micrometers

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

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

Witnesses:
Ada E. Hagerty
Charles H. Luther, Jr.
Joseph A. Miller, Jr.

Patent Dates:
Applied: Jun. 23, 1905
Granted: Jan. 29, 1907

Patent Pictures: [ 1 | 2 ]
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"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.
Description:
Joseph A. Miller & Co. - patent attorneys

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