Granted Patent
Utility
US 4,494,939 · App. 06/464,020
Water ski binding
Inventors:
David E. Calapp, Gail M. Ackert, Roger J. Brown
Patented Case
View Patent ↗
Granted: Jan 22, 1985
Filed: Feb 4, 1983
Inventors
David E. Calapp
Gail M. Ackert
Roger J. Brown
Assignee (at issue)
Connelly Skis, LLC
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.