Granted Patent
Utility
US 4,457,723 · App. 06/272,531
Color changeable fabric
Inventor:
Clarence R. Tate
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Jun 11, 1981
Inventor
Clarence R. Tate
Assignee (at issue)
Thalatta, 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.