Granted Patent
Utility
US 6,682,114 · App. 10/375,673
Method and apparatus for extending a length of a lift gate
Inventor:
Marion T. Cox
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Feb 26, 2003
Inventor
Marion T. Cox
Assignee (at issue)
UNIGROUP, 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.