Granted Patent
Utility
US 5,681,681 · App. 08/475,981
On-demand production of LAT imaging films
Inventor:
Ernest W. Ellis
Patented Case
View Patent ↗
Granted: Oct 28, 1997
Filed: Jun 7, 1995
Inventor
Ernest W. Ellis
Assignee (at issue)
Rexam Graphics, 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.