Granted Patent
Utility
US 6,094,492 · App. 09/309,107
Bone conduction voice transmission apparatus and system
Inventor:
Peter Vincent Boesen
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: May 10, 1999
Inventor
Peter Vincent Boesen
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.