Granted Patent
Utility
US 4,352,839 · App. 06/267,101
Method of forming a layer of polymethyl methacrylate on a surface of silicon dioxide
Inventors:
Daniel R. Olson, Bruce F. Griffing, James F. Norton
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: May 26, 1981
Inventors
Daniel R. Olson
Bruce F. Griffing
James F. Norton
Assignee (at issue)
General Electric 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.