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Patent number:
Patent Date:
US Patent: 296,439
Machine for Forming Teeth Upon File Blanks
Patentee:
William T. Nicholson (
exact
or
similar
names) - Providence, Providence County, RI
USPTO Classifications:
72/121
,
72/123
,
76/14
Tool Categories:
specialty machines
:
file cutting machines
tool making
:
making files
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
May 28, 1883
Granted:
Apr. 08, 1884
Patent Pictures:
USPTO
(New site tip)
Google Patents
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