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Patent number:
Patent Date:
US Patent: 152,323
Improvement in machines for grinding carpenters' squares
Patentee:
Charles S. Bement (
exact
or
similar
names) - New Haven, CT
USPTO Classifications:
451/213
,
451/364
Tool Categories:
tool making
Assignees:
Sargent & Co.
- New Haven, CT
Manufacturer:
Not known to have been produced
Witnesses:
A. J. Tibbits
J. H. Shumway
Patent Dates:
Applied:
Jan. 21, 1874
Granted:
Jun. 23, 1874
Patent Pictures:
USPTO
(New site tip)
Google Patents
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