IP Library › Granted Patent US 4,074,492
Granted Patent Utility
US 4,074,492 · App. 05/645,565

Prefabricated watertight structural system

Inventors: Harold G. Simpson, Michael W. Davis
Patented Case View Patent ↗
Granted: Feb 21, 1978 Filed: Dec 31, 1975
Inventors
Harold G. Simpson
Michael W. Davis
Assignee (at issue)
Star Manufacturing Company of Oklahoma

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Quick Facts
Patent No.
US 4,074,492
App. No.
05/645,565
Filed
1975-12-31
Granted
1978-02-21
Kind
A