Granted Patent
Utility
US 5,192,613 · App. 07/620,251
Electrographic recording element with reduced humidity sensitivity
Inventors:
Ray A. Work, III, Clifford E. Milner, Sarah J. Kintner, James E. Genthe, Stephen Strella, Charles R. Iacovella
Patented Case
View Patent ↗
Granted: Mar 9, 1993
Filed: Nov 30, 1990
Inventors
Ray A. Work, III
Clifford E. Milner
Sarah J. Kintner
James E. Genthe
Stephen Strella
Charles R. Iacovella
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.