IP Library › Granted Patent US 4,329,821
Granted Patent Utility
US 4,329,821 · App. 06/145,150

Composite insulated wall

Inventors: Robert Long, Robert Weinhardt
Patented Case View Patent ↗
Granted: May 18, 1982 Filed: Apr 30, 1980
Inventors
Robert Long
Robert Weinhardt

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Quick Facts
Patent No.
US 4,329,821
App. No.
06/145,150
Filed
1980-04-30
Granted
1982-05-18
Kind
A