Granted Patent
Utility
US 6,378,321 · App. 09/798,339
Semiconductor-based optical refrigerator
Inventors:
Richard I. Epstein, Bradley C. Edwards, Mansoor Sheik-Bahae
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Mar 2, 2001
Inventors
Richard I. Epstein
Bradley C. Edwards
Mansoor Sheik-Bahae
Assignee (at issue)
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
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.