> I wish this feature was on more mice Logitech owns a patent[0] on this mechanism which prevents it from being incorporated in other products (without licensi

> I wish this feature was on more mice Logitech owns a patent[0] on this mechanism which prevents it from being incorporated in other products (without licensing it). [0] https://patents.google.com/patent/US20110227828A1/en https://patents.google.com/patent/US20110227828A1/en > The present invention generally relates to a control device, such as a mouse, and more particularly relates to multi-mode roller for a control device having a selectable smooth-roller mode and a ratchet-roller mode.