Granted Patent
Utility
US 4,613,539 · App. 06/770,518
Method for doping tin oxide
Inventor:
Jacob Hormadaly
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Aug 29, 1985
Inventor
Jacob Hormadaly
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.