Granted Patent
Utility
US 5,207,576 · App. 07/343,401
Dental laser assembly with dual lasers
Inventors:
Arthur Vassiliadis, David R. Hennings, Joseph W. Shaffer, Terry D. Myers
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Apr 25, 1989
Inventors
Arthur Vassiliadis
David R. Hennings
Joseph W. Shaffer
Terry D. Myers
Assignee (at issue)
American Dental Laser, 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.