Granted Patent
Utility
US 6,431,346 · App. 09/543,456
Extendable trailer loader/unloader with user interface section
Inventors:
Phillip J. Gilmore, John I. McCort
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Apr 5, 2000
Inventors
Phillip J. Gilmore
John I. McCort
Assignee (at issue)
Rapistan Systems Advertising Corp.
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.