Granted Patent
Utility
US 4,415,348 · App. 06/383,860
Method of manufacture for projection television system
Inventor:
Stanley E. Lehnert
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Jun 1, 1982
Inventor
Stanley E. Lehnert
Assignee (at issue)
Zenith Radio 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.