Granted Patent
Utility
US 6,631,284 · App. 10/167,837
Combined PET and X-ray CT tomograph
Inventors:
Ronald Nutt, David Townsend
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Jun 12, 2002
Inventors
Ronald Nutt
David Townsend
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.