Granted Patent
Utility
US 5,288,993 · App. 07/956,907
Cursor pointing device utilizing a photodetector array with target ball having randomly distributed speckles
Inventors:
Marc Bidiville, Javier Arreguit, Floris A. Van Shaik, Bernard Steenis, Fabien Droz-dit-Busset, Harthmuth Buczek, Aldo Bussien
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Oct 5, 1992
Inventors
Marc Bidiville
Javier Arreguit
Floris A. Van Shaik
Bernard Steenis
Fabien Droz-dit-Busset
Harthmuth Buczek
Aldo Bussien
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.