IP Library › Granted Patent US 4,792,320
Granted Patent Utility
US 4,792,320 · App. 07/075,234

Composite tubular structure

Inventor: Herbert W. Nickel
Patented Case View Patent ↗
Granted: Dec 20, 1988 Filed: Jul 17, 1987
Inventor
Herbert W. Nickel
Assignee (at issue)
A. O. Smith Corporation

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Quick Facts
Patent No.
US 4,792,320
App. No.
07/075,234
Filed
1987-07-17
Granted
1988-12-20
Kind
A