Granted Patent
Utility
US 4,701,403 · App. 06/875,251
Two-layer process for applying antistatic compositions to polyester supports
Inventor:
Conrad E. Miller
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Jun 17, 1986
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.