Granted Patent
Utility
US 5,940,522 · App. 09/076,272
Speaker with passive voice coil cooling
Inventors:
David Cahill, Aaron Linn, Derek Hatchett
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: May 12, 1998
Inventors
David Cahill
Aaron Linn
Derek Hatchett
Assignee (at issue)
Boston Acoustics, Inc.
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.