Granted Patent
Utility
US 4,934,356 · App. 07/004,087
Water-activated orthopedic cast composition having colorant
Inventor:
William G. Klintworth, Jr.
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Jan 15, 1987
Inventor
William G. Klintworth, Jr.
Assignee (at issue)
Carapace, 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.