Granted Patent
Utility
US 5,598,083 · App. 08/444,946
Battery changing system for electrically powered vehicle
Inventor:
Paul M. Gaskins
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: May 19, 1995
Inventor
Paul M. Gaskins
Assignee (at issue)
Stamler 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.