Granted Patent
Utility
US 5,772,435 · App. 08/567,473
Dental and surgical handpiece with disposable cartridge
Inventor:
Paul Dorman
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Dec 5, 1995
Inventor
Paul Dorman
Assignee (at issue)
HEALTHPOINT, LTD.
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.