Granted Patent
Utility
US 6,344,039 · App. 08/819,730
Device for eliminating parallax of stereo microscopes during refractive laser surgery
Inventors:
Fuqian Tang, David Russell Voorhees
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: Mar 18, 1997
Inventors
Fuqian Tang
David Russell Voorhees
Assignee (at issue)
LaserSight Technologies, 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.