Granted Patent
Utility
US 6,739,611 · App. 09/978,878
Force-sensing fifth wheel
Inventors:
Jack L. Gisinger, Gerald W. Hungerink, Steven C. Dupay, Randy L. Schutt
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Oct 16, 2001
Inventors
Jack L. Gisinger
Gerald W. Hungerink
Steven C. Dupay
Randy L. Schutt
Assignee (at issue)
Holland, L.P.
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.