Granted Patent
Utility
US 6,445,816 · App. 09/068,421
Compositing video image data
Inventor:
Daniel Pettigrew
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Nov 16, 1998
Inventor
Daniel Pettigrew
Assignee (at issue)
Autodesk Canada Co.
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.