Granted Patent
Utility
US 5,836,667 · App. 08/488,188
Concentrating and collecting optical system using concave toroidal reflectors
Inventors:
Glenn S. Baker, Karlheinz Strobl, Douglas Brenner, Robert L. Piccioni, Robert E. Fischer, Michael Thomas
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Jun 7, 1995
Inventors
Glenn S. Baker
Karlheinz Strobl
Douglas Brenner
Robert L. Piccioni
Robert E. Fischer
Michael Thomas
Assignee (at issue)
Cogent Light Technologies, 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.