Granted Patent
Utility
US 6,773,104 · App. 09/910,691
Ultraviolet filter coating
Inventors:
Lester Cornelius, Toshinori Torii
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Jul 20, 2001
Inventors
Lester Cornelius
Toshinori Torii
Assignees (at issue)
Optical Technologies Corp.
MITSUBISHI CHEMICAL 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.