Granted Patent
Utility
US 4,907,965 · App. 07/187,696
Electrothermal dental debracketing tool and method of removal
Inventor:
Patrick Martin
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Apr 29, 1988
Inventor
Patrick Martin
Assignee (at issue)
Johnson & Johnson Consumer Products, 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.