Granted Patent
Utility
US 4,508,812 · App. 06/606,506
Method of applying poly(methacrylic anhydride resist to a semiconductor
Inventor:
Robert G. Brault
Patented Case
View Patent ↗
Granted: Apr 2, 1985
Filed: May 3, 1984
Inventor
Robert G. Brault
Assignee (at issue)
Hughes Aircraft 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.