Granted Patent
Utility
US 4,120,570 · App. 05/830,509
Method for correcting visual defects, compositions and articles of manufacture useful therein
Inventor:
Norman G. Gaylord
Patented Case
View Patent ↗
Granted: Oct 17, 1978
Filed: Sep 6, 1977
Inventor
Norman G. Gaylord
Assignee (at issue)
Syntex (U.S.A.) LLC
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.