Granted Patent
Utility
US 6,194,715 · App. 09/287,552
Semiconductor gamma-ray camera and medical imaging system
Inventors:
Clinton L. Lingren, Stanley J. Friesenhahn, Jack F. Butler, F. Patrick Doty, William L. Ashburn, Frank L. Augustine, Boris Apotovsky
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Apr 5, 1999
Inventors
Clinton L. Lingren
Stanley J. Friesenhahn
Jack F. Butler
F. Patrick Doty
William L. Ashburn
Frank L. Augustine
Boris Apotovsky
Assignee (at issue)
Digirad 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.