IP Library › Granted Patent US 4,778,075
Granted Patent Utility
US 4,778,075 · App. 06/871,225

Rib form for tank ribs

Inventors: Joseph R. Wiegand, A. Michael Weaver
Patented Case View Patent ↗
Granted: Oct 18, 1988 Filed: Jun 6, 1986
Inventors
Joseph R. Wiegand
A. Michael Weaver
Assignee (at issue)
Owens-Corning Fiberglas Corp.

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Quick Facts
Patent No.
US 4,778,075
App. No.
06/871,225
Filed
1986-06-06
Granted
1988-10-18
Kind
A