Granted Patent
Utility
US 4,537,276 · App. 06/648,805
Mask/microphone system for voice actuated control
Inventor:
Richard G. Confer
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Sep 7, 1984
Inventor
Richard G. Confer
Assignee (at issue)
American Sterilizer Company
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.