Granted Patent
Utility
US 4,375,046 · App. 06/244,369
Network and method for correcting vertical non-linearity and mis-convergence in a television projection system
Inventor:
Stanley E. Lehnert
Patented Case
View Patent ↗
Granted: Feb 22, 1983
Filed: Mar 16, 1981
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.