Granted Patent
Utility
US 6,429,848 · App. 09/728,432
Optical-mechanical roller with ratchet
Inventors:
Antoine Merminod, Marc Bidiville, Ting Hu Chang
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Dec 1, 2000
Inventors
Antoine Merminod
Marc Bidiville
Ting Hu Chang
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.