Granted Patent
Utility
US 5,023,129 · App. 07/438,830
Element as a receptor for nonimpact printing
Inventors:
Steven J. Morganti, James H. Thirtle
Patented Case
View Patent ↗
Granted: Jun 11, 1991
Filed: Nov 17, 1989
Inventors
Steven J. Morganti
James H. Thirtle
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.