Granted Patent
Utility
US 5,398,075 · App. 08/154,955
Analog chroma keying on color data
Inventors:
Lawrence K. Freytag, Bill A. Munson
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Nov 19, 1993
Inventors
Lawrence K. Freytag
Bill A. Munson
Assignee (at issue)
Intel 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.