Granted Patent
Utility
US 6,031,179 · App. 08/854,230
Color-mixing lens for solar concentrator system and methods of manufacture and operation thereof
Inventor:
Mark J. O'Neill
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: May 9, 1997
Inventor
Mark J. O'Neill
Assignee (at issue)
Entech, LLC
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.