Granted Patent
Utility
US 4,425,912 · App. 06/387,757
Knee protector/stabilizer
Inventor:
Oris E. Harper
Patented Case
View Patent ↗
Granted: Jan 17, 1984
Filed: Jun 11, 1982
Inventor
Oris E. Harper
Assignee (at issue)
Rampon 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.