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US Patent: 781,947
Center Punch
Patentees:
James J. Hartley - Schenectady, NY
Joseph M. Stryhal - Schenectady, NY

USPTO Classifications:
30/367, 433/151, 81/44

Tool Categories:
punches

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

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

Witnesses:
Charles A. Luther, Jr.
Ada G. Hagerty
G. C. Hollister
J. F. Bartlett

Patent Dates:
Applied: Jul. 15, 1904
Granted: Feb. 07, 1905

Patent Pictures: [ 1 | 2 | 3 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.

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