Granted Patent
Utility
US 5,224,890 · App. 07/642,236
Bodyboard with variable stiffness
Inventor:
Steven M. Moran
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Jan 16, 1991
Inventor
Steven M. Moran
Assignee (at issue)
Kransco
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.