Granted Patent
Utility
US 4,856,501 · App. 07/068,030
Knee brace having adjustable width frame pivoted to cuffs
Inventors:
Edward Castillo, James D. Castillo, Michael S. Castillo
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Jun 29, 1987
Inventors
Edward Castillo
James D. Castillo
Michael S. Castillo
Assignee (at issue)
INNOVATIVE SPORTS 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.