Granted Patent
Utility
US 6,259,488 · App. 09/360,804
Concealing temporal shift when using a digital video effect system with a video switcher
Inventor:
Paul M. Trethewey
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Jul 22, 1999
Inventor
Paul M. Trethewey
Assignee (at issue)
Grass Valley (U.S.) Inc.
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.