Granted Patent
Utility
US 4,718,873 · App. 06/771,214
Lock for water ski binding
Inventors:
Charles L. Shaw, Ray Elder, Douglas Barchek
Patented Case
View Patent ↗
Granted: Jan 12, 1988
Filed: Aug 30, 1985
Inventors
Charles L. Shaw
Ray Elder
Douglas Barchek
Assignee (at issue)
O'Brien International, Inc.
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.