Granted Patent
Utility
US 5,193,837 · App. 07/863,818
Universally adjustable trailer hitch
Inventors:
Raymond W. Fink, Wayne E. Sousley, Richard L. Fullhart
Patented Case
View Patent ↗
Granted: Mar 16, 1993
Filed: Apr 6, 1992
Inventors
Raymond W. Fink
Wayne E. Sousley
Richard L. Fullhart
Assignee (at issue)
TRIMAS COMPANY LLC
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.