Granted Patent
Utility
US 6,653,618 · App. 09/847,043
Contact detecting method and apparatus for an optical radiation handpiece
Inventor:
Henry M. Zenzie
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Apr 30, 2001
Inventor
Henry M. Zenzie
Assignee (at issue)
PALOMAR MEDICAL TECHNOLOGIES, LLC
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.