Granted Patent
Utility
US 5,093,576 · App. 07/670,534
High sensitivity ultraviolet radiation detector
Inventors:
John Edmond, Calvin H. Carter, Jr.
Patented Case
View Patent ↗
Granted: Mar 3, 1992
Filed: Mar 15, 1991
Inventors
John Edmond
Calvin H. Carter, Jr.
Assignee (at issue)
Cree Research 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.