Granted Patent
Utility
US 4,882,265 · App. 07/195,231
Infrared laser recording film
Inventors:
Evan D. Laganis, Alden D. West
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: May 18, 1988
Inventors
Evan D. Laganis
Alden D. West
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.