Granted Patent
Utility
US 4,964,402 · App. 07/233,273
Orthopedic device having gel pad with phase change material
Inventors:
Tracy E. Grim, Jeffrey R. Haines
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Aug 17, 1988
Inventors
Tracy E. Grim
Jeffrey R. Haines
Assignee (at issue)
Royce Medical Company
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.