Granted Patent
Utility
US 6,084,982 · App. 08/992,291
Method of chroma-keying for a digital video compression system
Inventors:
Kiran Challapali, Yingwei Chen
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Dec 17, 1997
Inventors
Kiran Challapali
Yingwei Chen
Assignee (at issue)
Philips Electronics North America 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.