Granted Patent
Utility
US 5,629,360 · App. 08/532,358
Optically clear polymer compositions containing an interpenetrant
Inventors:
Syed H. Askari, Hermann H. Neidlinger
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Sep 22, 1995
Inventors
Syed H. Askari
Hermann H. Neidlinger
Assignee (at issue)
Pilkington Barnes Hind, 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.