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Patent number:
Patent Date:
US Patent: 330,175
Pipe-cutter
Patentees:
Frank Armstrong (
exact
or
similar
names) - Bridgeport, CT
Nathaniel W. Vandegrift (
exact
or
similar
names) - Bridgeport, CT
USPTO Classifications:
30/102
,
81/134
Tool Categories:
trade specific
:
plumber
Assignees:
Frank Armstrong
- Bridgeport, CT
Manufacturer:
Armstrong Manufacturing Co.
- Bridgeport, CT
Witnesses:
William S. Bull
J. J. Amory
Patent Dates:
Applied:
Mar. 03, 1885
Granted:
Nov. 10, 1885
Patent Pictures: [
1
|
2
]
USPTO
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Armstrong Mfg. Co.
Description:
An example of this pipe cutter was seen in a 2018 Martin J. Donnelly auction.
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