Granted Patent
Utility
US 6,725,967 · App. 10/267,731
Low distortion loudspeaker cone suspension
Inventor:
Stefan Hlibowicki
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Oct 10, 2002
Inventor
Stefan Hlibowicki
Assignee (at issue)
Audio Products International Corp.
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.