Granted Patent
Utility
US 4,467,073 · App. 06/435,461
Transparent anti-fog coating compositions
Inventor:
Walter S. Creasy
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Oct 20, 1982
Inventor
Walter S. Creasy
Assignee (at issue)
HYDROMER, 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.