Granted Patent
Utility
US 4,803,552 · App. 06/937,494
Vertical blanking interval standardizer circuit
Inventor:
Roger A. Marin
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: Dec 3, 1986
Inventor
Roger A. Marin
Assignee (at issue)
Xantech 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.