Granted Patent
Utility
US 4,934,306 · App. 07/293,202
Anode coating for lithium cell
Inventor:
Frank Rudolph
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Jan 4, 1989
Inventor
Frank Rudolph
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.