Granted Patent
Utility
US 6,804,269 · App. 10/162,944
Laser beam delivery system with trepanning module
Inventors:
Todd E. Lizotte, Orest Ohar
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Jun 4, 2002
Inventors
Todd E. Lizotte
Orest Ohar
Assignee (at issue)
Hitachi Via Mechanics
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.