Granted Patent
Utility
US 4,435,446 · App. 06/441,593
Edge seal with polysilicon in LOCOS process
Inventors:
Alan D. Marston, Lenin Anne
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Nov 15, 1982
Inventors
Alan D. Marston
Lenin Anne
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.