Granted Patent
Utility
US 5,488,576 · App. 08/199,097
Amplitude adaptive filter
Inventor:
David Main
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Feb 22, 1994
Inventor
David Main
Assignee (at issue)
3DO Company
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.