Granted Patent
Utility
US 6,413,231 · App. 09/413,365
Device to assist in therapy of patient who has limited jaw opening
Inventors:
Barry R. Berman, David H. Shulman, George R. Hepburn, Russell Vedeloff
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Oct 6, 1999
Inventors
Barry R. Berman
David H. Shulman
George R. Hepburn
Russell Vedeloff
Assignee (at issue)
DYNASPLINT SYSTEMS, INC.
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.