Granted Patent
Utility
US 4,402,134 · App. 06/203,239
Method of making an integrated display device
Inventor:
Richard DuBois
Patented Case
View Patent ↗
Granted: Sep 6, 1983
Filed: Nov 3, 1980
Inventor
Richard DuBois
Assignee (at issue)
Edison International Inc.
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.