Granted Patent
Utility
US 4,420,365 · App. 06/474,866
Formation of patterned film over semiconductor structure
Inventor:
William I. Lehrer
Patented Case
View Patent ↗
Granted: Dec 13, 1983
Filed: Mar 14, 1983
Inventor
William I. Lehrer
Assignee (at issue)
Fairchild Camera & Instrument Corp.
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.