Granted Patent
Utility
US 6,472,057 · App. 09/759,630
Low stress, water-clear zinc sulfide
Inventor:
Jitendra S. Goela
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Jan 13, 2001
Inventor
Jitendra S. Goela
Assignee (at issue)
Morton International, 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.