Granted Patent
Utility
US 5,334,016 · App. 07/901,780
Combination air abrasive system and laser system for dental applications
Inventors:
Daniel S. Goldsmith, William S. Parker
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Jun 22, 1992
Inventors
Daniel S. Goldsmith
William S. Parker
Assignee (at issue)
American Dental Technologies, 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.