Granted Patent
Utility
US 4,645,987 · App. 06/808,206
Vertical compensation circuit utilizing variable gain amplifier
Inventors:
Terence J. Kiteley, Sudthichard Vasavanonda
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Dec 12, 1985
Inventors
Terence J. Kiteley
Sudthichard Vasavanonda
Assignee (at issue)
Zenith Electronics LLC
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.