Granted Patent
Utility
US 6,569,824 · App. 09/778,563
Contact lens treating method and composition
Inventor:
Fu-Pao Tsao
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Feb 7, 2001
Inventor
Fu-Pao Tsao
Assignee (at issue)
NOVARTIS AG
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.