Granted Patent
Utility
US 4,370,133 · App. 05/469,934
Denture means and method
Inventor:
John A. Stempel
Patented Case
View Patent ↗
Granted: Jan 25, 1983
Filed: May 14, 1974
Inventor
John A. Stempel
Assignee (at issue)
Cavitron, 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.