Granted Patent
Utility
US 4,419,610 · App. 06/357,889
Reversible regenerating electric vehicle drive
Inventor:
Frederic W. Pollman
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Mar 15, 1982
Inventor
Frederic W. Pollman
Assignee (at issue)
Sundstrand 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.