Granted Patent
Utility
US 5,032,476 · App. 07/555,044
Internal hydrostatic pump for a mobile vehicle battery
Inventor:
Ronald F. Kirby
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: Jul 19, 1990
Inventor
Ronald F. Kirby
Assignee (at issue)
Globe-Union Inc.
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.