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Patent number:
Patent Date:
US Patent: 3,456,893
Expanding mandrel assembly
Patentee:
Anatol Michelson (
exact
or
similar
names) - Morton, PA
USPTO Classifications:
242/573.7
,
242/576
Tool Categories:
metalworking machines
:
sheet metal
Assignees:
E. W. Bliss Co.
- Canton, OH
Manufacturer:
E. W. Bliss Co.
- Brooklyn, NY
Witnesses:
Unknown
Patent Dates:
Applied:
Dec. 15, 1967
Granted:
Jul. 22, 1969
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for E. W. Bliss Co.
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