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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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