Granted Patent
Utility
US 5,903,403 · App. 08/788,766
Imaging system using a compound elliptical concentrator
Inventor:
James B. Williamson
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Jan 24, 1997
Inventor
James B. Williamson
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.