Granted Patent
Utility
US 5,789,464 · App. 08/575,799
Photocrosslinked polymers
Inventor:
Beat Muller
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Dec 22, 1995
Inventor
Beat Muller
Assignee (at issue)
CIBA Vision Corporation
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.