Patents Assigned to Logitech, Incorporated
  • Integral ball cage for pointing device
    Patent number: 5670990
    Abstract: An electronic mouse with an integral ball cage. The ball cage in one embodiment has integrally formed extensions having openings for enclosed shaft encoders and a pressure roller. The shaft encoders are preferably made of a single piece of plastic. The ball cage is preferably formed as part of the lower housing of the mouse.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: September 23, 1997
    Assignee: Logitech Incorporated
    Inventors: Marc Bidiville, Kieran Devey, Denes Karai
  • Optical trackball
    Patent number: D442961
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: May 29, 2001
    Assignee: Logitech, Incorporated
    Inventors: Peter Sheehan, Cathal Loughnane
  • Optical trackball
    Patent number: D410638
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: June 8, 1999
    Assignee: Logitech Incorporated
    Inventors: Peter Sheehan, Cathal Loughnane