Granted Patent
Utility
US 5,147,737 · App. 07/696,711
Electrochemical cell with improved efficiency serpentine electrode
Inventors:
Clifford J. Post, Esther S. Takeuchi
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: May 7, 1991
Inventors
Clifford J. Post
Esther S. Takeuchi
Assignee (at issue)
Wilson Greatbatch, Ltd.
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.