Granted Patent
Utility
US 5,990,903 · App. 08/794,749
Method and apparatus for performing chroma key, transparency and fog operations
Inventor:
Walter E. Donovan
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Feb 3, 1997
Inventor
Walter E. Donovan
Assignee (at issue)
Micron Technologies, 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.