IP Library › Granted Patent US 4,902,308
Granted Patent Utility
US 4,902,308 · App. 07/206,884

Composite membrane

Inventors: Robert S. Mallouk, Phillip A. Branca
Patented Case View Patent ↗
Granted: Feb 20, 1990 Filed: Jun 15, 1988
Inventors
Robert S. Mallouk
Phillip A. Branca

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Quick Facts
Patent No.
US 4,902,308
App. No.
07/206,884
Filed
1988-06-15
Granted
1990-02-20
Kind
A