Granted Patent
Utility
US 4,951,034 · App. 07/013,646
Light ball electronic mouse
Inventors:
Jean-Luc Mazzone, Marc Bidiville
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Feb 12, 1987
Inventors
Jean-Luc Mazzone
Marc Bidiville
Assignees (at issue)
LOGITECH, INC.
Logitech S.A.
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.