Granted Patent
Utility
US 6,154,221 · App. 08/834,496
Parametric function curve editing
Inventor:
Michel Gangnet
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Apr 4, 1997
Inventor
Michel Gangnet
Assignee (at issue)
Avid Technology, 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.