Granted Patent
Utility
US 5,667,291 · App. 08/447,357
Illumination assembly for dental and medical applications
Inventors:
Charles H. Caplan, Frederick N. Bushroe
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: May 23, 1995
Inventors
Charles H. Caplan
Frederick N. Bushroe
Assignee (at issue)
Surgical Acuity, 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.