Granted Patent
Utility
US 6,160,893 · App. 09/123,974
First draft-switching controller for personal ANR system
Inventors:
William R. Saunders, Michael A. Vaudrey
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Jul 29, 1998
Inventors
William R. Saunders
Michael A. Vaudrey
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.