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Patent number:
Patent Date:
US Patent: 1,788,652
Clamping Device
Patentees:
William K. Andrew (
exact
or
similar
names) - Milwaukee, Milwaukee County, WI
Paul E. Butzin (
exact
or
similar
names) - Milwaukee, Milwaukee County, WI
USPTO Classifications:
269/104
,
269/160
,
269/49
,
269/89
,
409/225
Tool Categories:
metalworking machines
:
milling machines
:
milling machine accessories
Assignees:
Kearney & Trecker Corp.
- West Allis, Milwaukee County, WI
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Mar. 22, 1926
Granted:
Jan. 13, 1931
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Kearney & Trecker Co.
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