Granted Patent
Utility
US 6,592,291 · App. 10/017,846
Boat ramp
Inventor:
Robert D. Foxwell
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Nov 30, 2001
Inventor
Robert D. Foxwell
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.