Granted Patent
Utility
US 6,290,499 · App. 09/374,934
Transfer-type impression coping
Inventors:
Richard J. Lazzara, Keith D. Beaty, Dan P. Rogers, Curtis E. Jansen
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Aug 16, 1999
Inventors
Richard J. Lazzara
Keith D. Beaty
Dan P. Rogers
Curtis E. Jansen
Assignee (at issue)
Implant Innovations, 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.