Granted Patent
Utility
US 6,809,635 · App. 09/821,084
Mobile terminal using a vibration motor as a loudspeaker and method of use thereof
Inventor:
Topi Kaaresoja
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Mar 30, 2001
Inventor
Topi Kaaresoja
Assignee (at issue)
Nokia
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.