Granted Patent
Utility
US 4,540,641 · App. 06/514,729
Electrochemical cell
Inventors:
Robert C. McDonald, Wei-Tao Wang, Peter Cukor, Michael F. Rubner
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Jul 18, 1983
Inventors
Robert C. McDonald
Wei-Tao Wang
Peter Cukor
Michael F. Rubner
Assignees (at issue)
GTE Communication Products Corporation
GTE Laboratories Incorporated
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.