Granted Patent
Utility
US 6,147,352 · App. 09/028,181
Low profile open ring single photon emission computed tomographic imager
Inventor:
William L. Ashburn
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Feb 23, 1998
Inventor
William L. Ashburn
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.