Granted Patent
Utility
US 4,956,586 · App. 07/318,285
Frequency independent CRT horizontal sweep generator having current feedback and improved pincushion correction circuitry
Inventors:
Kirk P. Gipson, Ronald M. Guly
Patented Case
View Patent ↗
Granted: Sep 11, 1990
Filed: Mar 3, 1989
Inventors
Kirk P. Gipson
Ronald M. Guly
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.