Granted Patent
Utility
US 6,813,362 · App. 10/116,750
Loudspeaker and method of making same
Inventors:
Andrew D. Bank, Ian D. MacFarlane, Keith D. Hills, Paul Burton, Neil John Harris
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Apr 5, 2002
Inventors
Andrew D. Bank
Ian D. MacFarlane
Keith D. Hills
Paul Burton
Neil John Harris
Assignee (at issue)
New Transducers Limited
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.