Granted Patent
Utility
US 6,490,476 · App. 09/685,222
Combined PET and X-ray CT tomograph and method for using same
Inventors:
David Townsend, Ronald Nutt
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Oct 10, 2000
Inventors
David Townsend
Ronald Nutt
Assignee (at issue)
CTI PET Systems, 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.