Granted Patent
Utility
US 6,486,463 · App. 09/480,323
Computer input device with encoders having flexible shafts and conical rollers
Inventors:
Marc Bidiville, Ying-Chou Cheng
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Jan 10, 2000
Inventors
Marc Bidiville
Ying-Chou Cheng
Assignee (at issue)
Logitech Europe 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.