Granted Patent
Utility
US 5,199,686 · App. 07/815,748
Non-continuous base ground level automotive lift system
Inventor:
Robert H. Fletcher
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Jan 2, 1992
Inventor
Robert H. Fletcher
Assignee (at issue)
Advantage Lift Systems, 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.