Granted Patent
Utility
US 5,085,584 · App. 07/723,900
Intraoral discluder device and method
Inventor:
James Boyd
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Jul 1, 1991
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.