Granted Patent
Utility
US 5,680,145 · App. 08/614,329
Light-weight reflector for concentrating radiation
Inventors:
Mark Thomson, Geoffrey W. Marks, John M. Hedgepeth
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Mar 12, 1996
Inventors
Mark Thomson
Geoffrey W. Marks
John M. Hedgepeth
Assignee (at issue)
Astro Aerospace 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.