Granted Patent
Utility
US 4,697,583 · App. 06/696,185
Four-point anterior cruciate ligament brace
Inventors:
Bradley R. Mason, Jeffrey T. Mason, Patrick W. Cawley
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Jan 29, 1985
Inventors
Bradley R. Mason
Jeffrey T. Mason
Patrick W. Cawley
Assignee (at issue)
Don Joy Orthopedic, 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.