Granted Patent
Utility
US 5,501,296 · App. 08/357,853
Dual post single screw automotive screw lift system
Inventor:
Robert H. Fletcher
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Dec 16, 1994
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.