Granted Patent
Utility
US 4,269,913 · App. 05/953,523
Novel inorganic-organic composite felt for use in alkaline storage cells and process for making same
Inventors:
Hong-Sup Lim, Scott A. Verzwyvelt
Patented Case
View Patent ↗
Granted: May 26, 1981
Filed: Oct 23, 1978
Inventors
Hong-Sup Lim
Scott A. Verzwyvelt
Assignee (at issue)
Hughes Aircraft Company
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.