Granted Patent
Utility
US 4,389,729 · App. 06/331,100
High resolution digital radiography system
Inventor:
Jay A. Stein
Patented Case
View Patent ↗
Granted: Jun 21, 1983
Filed: Dec 15, 1981
Inventor
Jay A. Stein
Assignee (at issue)
American Science and Engineering, 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.