Granted Patent
Utility
US 5,083,955 · App. 07/420,178
Aquatic recreational towing devices
Inventor:
Donald G. Echols
Patented Case
View Patent ↗
Granted: Jan 28, 1992
Filed: Oct 11, 1989
Inventor
Donald G. Echols
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.