Granted Patent
Utility
US 6,231,337 · App. 09/490,107
Dental mouthpiece and method of making same
Inventor:
James Boyd
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Jan 24, 2000
Inventor
James Boyd
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.