Granted Patent
Utility
US 5,237,601 · App. 07/772,527
Radiographic cassette having coding for identifying exposed and unexposed film
Inventors:
John C. Boutet, Richard Weil
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Oct 7, 1991
Inventors
John C. Boutet
Richard Weil
Assignee (at issue)
EASTMAN KODAK COMPANY
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.