Granted Patent
Utility
US 5,011,789 · App. 06/904,090
Method of manufacturing a semiconductor device
Inventor:
Gordon Burns
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: Sep 4, 1986
Inventor
Gordon Burns
Assignee (at issue)
U.S. Philips Corporation
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.