Granted Patent
Utility
US 4,470,871 · App. 06/565,338
Preparation of organic layers for oxygen etching
Inventors:
Lawrence K. White, Metodi Popov
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Dec 27, 1983
Inventors
Lawrence K. White
Metodi Popov
Assignee (at issue)
RCA 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.