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Patent number:
Patent Date:
US Patent: 194,593
Machines for Welding Tubes
Patentee:
John French (
exact
or
similar
names) - South St. Louis, St. Louis County, MO
USPTO Classifications:
72/436
Tool Categories:
metalworking machines
:
welding machines
Assignees:
John French
- South St. Louis, St. Louis County, MO
James W. Hill
- South St. Louis, St. Louis County, MO
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
May 21, 1877
Granted:
Aug. 28, 1877
Patent Pictures:
USPTO
(New site tip)
Google Patents
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