Granted Patent
Utility
US 4,725,525 · App. 06/883,273
Recording information media comprising chromophores
Inventors:
Malcolm E. Kenney, R. Sidney Jones, Jr., James E. Kuder, David E. Nikles
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: Jul 7, 1986
Inventors
Malcolm E. Kenney
R. Sidney Jones, Jr.
James E. Kuder
David E. Nikles
Assignee (at issue)
Hoebbst Celanese Corporation
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.