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Patent number:
Patent Date:
US Patent: 1,981,499
Clamp
Patentee:
Harry Grant Francis (
exact
or
similar
names) - Rushville, IN
USPTO Classifications:
144/245.3
,
269/172
,
269/56
Tool Categories:
work holding
:
clamps
:
clamp carriers
Assignees:
None
Manufacturer:
Charles E. Francis Co.
- Rushville, IN
Witnesses:
Unknown
Patent Dates:
Applied:
May 11, 1929
Granted:
Nov. 20, 1934
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Carl Matthews
"Vintage Machinery" entry for Chas. E. Francis & Bros.
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