Granted Patent
Utility
US 6,748,816 · App. 10/098,959
Self-backdriving jackscrew apparatus
Inventors:
Lloyd Walker Rogers, Jr., Jeff Hamminga, Joseph M. Johnson
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Mar 15, 2002
Inventors
Lloyd Walker Rogers, Jr.
Jeff Hamminga
Joseph M. Johnson
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.