Granted Patent
Utility
US 5,899,697 · App. 08/914,414
Anatomic interchangeable healing abutment and impression coping
Inventors:
Richard J. Lazzara, Keith D. Beaty
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Aug 19, 1997
Inventors
Richard J. Lazzara
Keith D. Beaty
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.