Granted Patent
Utility
US 5,566,683 · App. 08/410,325
Apparatus for prevention of snoring and improved breathing during sleep
Inventor:
W. Keith Thornton
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Mar 24, 1995
Inventor
W. Keith Thornton
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.