Granted Patent
Utility
US 5,610,994 · App. 08/433,582
Digital imaging of tooth contact pattern
Inventors:
Hermann J. Stadtfeld, John W. Swanger, Jr.
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: May 3, 1995
Inventors
Hermann J. Stadtfeld
John W. Swanger, Jr.
Assignee (at issue)
THE GLEASON WORKS
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.