Granted Patent
Utility
US 5,651,046 · App. 08/493,838
Anatomic phantom for evaluation of projection radiographic imaging systems
Inventors:
Carey E. Floyd, Harrell G. Chotas
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Jun 22, 1995
Inventors
Carey E. Floyd
Harrell G. Chotas
Assignee (at issue)
Duke University
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.