Granted Patent
Utility
US 6,166,158 · App. 09/354,581
High index/high abbe number composition
Inventors:
Huan Kiak Toh, Ian Roger Bateman, David Robert Diggins, Bohdan Grzegorz Cieslinski
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Jul 16, 1999
Inventors
Huan Kiak Toh
Ian Roger Bateman
David Robert Diggins
Bohdan Grzegorz Cieslinski
Assignee (at issue)
Sola International Holdings Ltd.
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.