Granted Patent
Utility
US 5,291,910 · App. 08/001,830
Adjustable hand grip for orthopedic crutch
Inventors:
Cuong Bui, Jim Schultz
Patented Case
View Patent ↗
Granted: Mar 8, 1994
Filed: Jan 8, 1993
Inventors
Cuong Bui
Jim Schultz
Assignee (at issue)
Guardian Products, 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.