Granted Patent
Utility
US 5,585,321 · App. 08/319,732
Enhanced thermal papers with improved imaging characteristics
Inventors:
Thomas J. Breen, David J. Barbee, Mark G. Lang
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Oct 7, 1994
Inventors
Thomas J. Breen
David J. Barbee
Mark G. Lang
Assignee (at issue)
Rand McNally & 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.