Granted Patent
Utility
US 6,157,369 · App. 08/949,681
Optical-mechanical roller with ratchet
Inventors:
Antoine Merminod, Marc Bidiville, Ting Hu Chang
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Oct 14, 1997
Inventors
Antoine Merminod
Marc Bidiville
Ting Hu Chang
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.