Granted Patent
Utility
US 5,240,270 · App. 07/798,611
Fifth-wheel extension adapter
Inventor:
Floyd A. Colibert
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Nov 26, 1991
Inventor
Floyd A. Colibert
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.