Granted Patent
Utility
US 4,942,840 · App. 07/155,596
Foot brace for kayaks
Inventors:
William E. Masters, Roger A. Williams
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: Feb 12, 1988
Inventors
William E. Masters
Roger A. Williams
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.