Granted Patent
Utility
US 6,013,333 · App. 08/475,540
Method for strengthening a brittle oxide substrate
Inventors:
Stephen W. Carson, Ryan R. Dirkx, Victor D. Papanu, Neil D. Conrad
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Jun 7, 1995
Inventors
Stephen W. Carson
Ryan R. Dirkx
Victor D. Papanu
Neil D. Conrad
Assignee (at issue)
Elf Atochem North America, 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.