Granted Patent
Utility
US 4,013,466 · App. 05/590,766
Method of preparing a circuit utilizing a liquid crystal artwork master
Inventor:
Robert Klaiber
Patented Case
View Patent ↗
Granted: Mar 22, 1977
Filed: Jun 26, 1975
Inventor
Robert Klaiber
Assignee (at issue)
Western Electric Company, 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.