Granted Patent
Utility
US 5,418,042 · App. 08/177,804
Electrostatic printing element
Inventors:
James H. Thirtle, Steven J. Morganti, John H. Bayless
Patented Case
View Patent ↗
Granted: May 23, 1995
Filed: Jan 6, 1994
Inventors
James H. Thirtle
Steven J. Morganti
John H. Bayless
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.