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Patent number:
Patent Date:
US Patent: 12,864
Adjustable tenoning tool
Patentee:
Thomas J. Knapp (
exact
or
similar
names) - Philadelphia, PA
USPTO Classifications:
30/495
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
hollow bits
Assignees:
None
Manufacturer:
T. J. Knapp
- Philadelphia, PA
Witnesses:
John H. Watson
Peter Castor
Patent Dates:
Granted:
May 15, 1855
Patent Pictures: [
1
|
2
]
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Report data errors or omissions to steward Jeff Joslin
Description:
Patent was extended 7 years.
Known examples are labeled, "PATENT 1855" on one side and "T.J.KNAPP'S" on the other.
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