Granted Patent
Utility
US 4,354,900 · App. 06/211,694
Strengthened fiberous electrochemical cell diaphragm and a method for making
Inventors:
Rodney R. Bailey, Carl W. Brown, Jr., Shan-Pu Tsai, Louis W. Hruska
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Dec 1, 1980
Inventors
Rodney R. Bailey
Carl W. Brown, Jr.
Shan-Pu Tsai
Louis W. Hruska
Assignee (at issue)
Diamond Shamrock Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.