IP Library › Granted Patent US 5,327,765
Granted Patent Utility
US 5,327,765 · App. 08/042,728

Internal articulated mandrel for the stretch forming of elongated hollow metal sections

Inventors: Robert Weykamp, Thomas W. Scherf
Patented Case View Patent ↗
Granted: Jul 12, 1994 Filed: Apr 5, 1993
Inventors
Robert Weykamp
Thomas W. Scherf
Assignee (at issue)
Aluminum Company of America

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Quick Facts
Patent No.
US 5,327,765
App. No.
08/042,728
Filed
1993-04-05
Granted
1994-07-12
Kind
A