Granted Patent
Utility
US 6,637,975 · App. 10/113,961
Watercraft ramp
Inventor:
Robert D. Foxwell
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Mar 29, 2002
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.