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Patent number:
Patent Date:
US Patent: 789,520
Automatic prick-punch
Patentees:
John L. Baltzer (
exact
or
similar
names) - Athol, MA
John A. Adell (
exact
or
similar
names) - Athol, MA
USPTO Classifications:
30/367
,
433/151
,
81/44
Tool Categories:
punches
Assignees:
L. S. Starrett Co.
- Athol, MA
Manufacturer:
Not known to have been produced
Witnesses:
Frank E. Wing
L. S. Starrett
Patent Dates:
Applied:
Mar. 23, 1905
Granted:
May 09, 1905
Patent Pictures:
USPTO
(New site tip)
Google Patents
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