Granted Patent
Utility
US 4,283,468 · App. 06/145,177
Electrochemical cell insensitive to physical orientation
Inventors:
Franz Goebel, Cyril Morgan
Patented Case
View Patent ↗
Granted: Aug 11, 1981
Filed: Apr 29, 1980
Inventors
Franz Goebel
Cyril Morgan
Assignee (at issue)
GTE Products 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.