Granted Patent
Utility
US 5,749,731 · App. 08/586,951
Apparatus for preserving interdental papilla and method for using
Inventors:
Vincent J. Morgan, Norman J. Shepherd
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Jan 16, 1996
Inventors
Vincent J. Morgan
Norman J. Shepherd
Assignee (at issue)
Diro, 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.