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Patent number:
Patent Date:
US Patent: 781,947
Center Punch
Patentees:
James J. Hartley (
exact
or
similar
names) - Schenectady, NY
Joseph M. Stryhal (
exact
or
similar
names) - 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
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2
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3
]
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"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.
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