Granted Patent
Utility
US 5,388,080 · App. 08/053,738
Non-integer sample delay active noise canceller
Inventors:
Paul L. Feintuch, Allen Kwok Wah Lo
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Apr 27, 1993
Inventors
Paul L. Feintuch
Allen Kwok Wah Lo
Assignee (at issue)
Hughes Aircraft 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.