Granted Patent
Utility
US 5,183,545 · App. 07/792,665
Electrolytic cell with composite, porous diaphragm
Inventors:
Phillip A. Branca, Daniel E. Hubis, Robert S. Mallouk, Randal L. Perry
Patented Case
View Patent ↗
Granted: Feb 2, 1993
Filed: Nov 15, 1991
Inventors
Phillip A. Branca
Daniel E. Hubis
Robert S. Mallouk
Randal L. Perry
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.