Granted Patent
Utility
US 5,487,661 · App. 08/134,158
Portable dental camera and system
Inventor:
Keith C. Peithman
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Oct 8, 1993
Inventor
Keith C. Peithman
Assignee (at issue)
Dentsply International 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.