Granted Patent
Utility
US 5,760,974 · App. 08/802,443
Lens system for maximizing light collection efficiency and transmission
Inventor:
David Vaughnn
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Feb 18, 1997
Inventor
David Vaughnn
Assignee (at issue)
Photometrics, 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.