Granted Patent
Utility
US 6,142,551 · App. 09/233,862
Vehicle liftgate power operating system
Inventors:
Michael Antonio Ciavaglia, Joseph M. Johnson, Lloyd Walker Rogers, Jr., Thomas Ralph Osborn
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Dec 17, 1998
Inventors
Michael Antonio Ciavaglia
Joseph M. Johnson
Lloyd Walker Rogers, Jr.
Thomas Ralph Osborn
Assignee (at issue)
Delphi Technologies
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.