Granted Patent
Utility
US 4,916,011 · App. 07/383,328
Element having improved antistatic layer
Inventor:
Conrad E. Miller
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: Jul 20, 1989
Inventor
Conrad E. Miller
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.