Granted Patent
Utility
US 6,256,016 · App. 08/869,471
Optical detection system, device, and method utilizing optical matching
Inventors:
Julien Piot, Urban Schnell, Philippe Nussbaum
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Jun 5, 1997
Inventors
Julien Piot
Urban Schnell
Philippe Nussbaum
Assignee (at issue)
LOGITECH, 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.