Granted Patent
Utility
US 6,741,706 · App. 09/647,260
Audio signal processing method and apparatus
Inventors:
David S. McGrath, Adam Richard McKeag, Glenn N. Dickins, Richard J. Cartwright, Andrew P. Reilly
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Dec 22, 2000
Inventors
David S. McGrath
Adam Richard McKeag
Glenn N. Dickins
Richard J. Cartwright
Andrew P. Reilly
Assignee (at issue)
LAKE TECHNOLOGY., LTD
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.