Granted Patent
Utility
US 6,252,977 · App. 09/550,845
Method and apparatus for illuminating and imaging eyes through eyeglasses using multiple sources of illumination
Inventors:
Marcus Salganicoff, Keith J. Hanna
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Apr 17, 2000
Inventors
Marcus Salganicoff
Keith J. Hanna
Assignee (at issue)
Sensar, 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.