Granted Patent
Utility
US 6,478,990 · App. 09/161,258
Plastic lens systems and methods
Inventors:
Galen R. Powers, Larry H. Joel
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Sep 25, 1998
Inventors
Galen R. Powers
Larry H. Joel
Assignee (at issue)
Q2100, 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.