Granted Patent
Utility
US 5,262,972 · App. 07/731,059
Multichannel digital filter apparatus and method
Inventors:
Kenneth M. Holden, Don C. Dunkerley
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Jul 17, 1991
Inventors
Kenneth M. Holden
Don C. Dunkerley
Assignee (at issue)
Hughes Missile Systems 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.