Granted Patent
Utility
US 4,834,652 · App. 07/160,659
Dental handpiece
Inventor:
Jean-Jacques Luiset
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Feb 26, 1988
Inventor
Jean-Jacques Luiset
Assignee (at issue)
Micro-Mega (Suisse) S.A.
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.