Patents by Inventor Carl J. Ledbetter

Carl J. Ledbetter has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ergonomic input device
    Patent number: 6031518
    Abstract: The device comfortably supports the hand of the user while the thumb and fingers are associated with keys, a trackball, and a scrolling wheel carried on the device. The overall configuration of the device and the arrangement of these actuators permits the user to operate all of the functions provided by the actuators while the forearm is in a neutral posture zone between pronation and supination of the forearm, and the wrist and fingers are minimally extended and comfortably flexed, respectively.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: February 29, 2000
    Assignee: Microsoft Corporation
    Inventors: Aditha M. Adams, Steven T. Kaneko, Carl J. Ledbetter, Hugh Edward McLoone, Jr., Stanley Hiroshi Wada, John Richard Arbak, Edward V. Cruz
  • Portion of a computer input device
    Patent number: D436961
    Type: Grant
    Filed: April 6, 1999
    Date of Patent: January 30, 2001
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Hugh E. McLoone, Steven W. Fisher, Jonathan A. Hayes
  • Electronic mouse
    Patent number: D437599
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: February 13, 2001
    Assignee: Microsoft Corporation
    Inventors: Steven T. Kaneko, Carl J. Ledbetter
  • Computer input device
    Patent number: D437852
    Type: Grant
    Filed: April 6, 1999
    Date of Patent: February 20, 2001
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Hugh E. McLoone, Steven W. Fisher, Jonathan A. Hayes
  • Portion of a computer input device
    Patent number: D437853
    Type: Grant
    Filed: April 6, 1999
    Date of Patent: February 20, 2001
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Steven W- Fisher
  • Computer mouse
    Patent number: D438209
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: February 27, 2001
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Hugh E. McLoone, Steven W. Fisher
  • Computer mouse
    Patent number: D439252
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: March 20, 2001
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Gregory G. Jones, Hugh E. McLoone
  • Computer mouse
    Patent number: D439905
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: April 3, 2001
    Assignee: Microsoft Corporation
    Inventors: Gregory G. Jones, Carl J. Ledbetter, Hugh E. McLoone
  • Computer mouse
    Patent number: D440224
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: April 10, 2001
    Assignee: Microsoft Corporation
    Inventors: Gregory G. Jones, Carl J. Ledbetter, Hugh E. McLoone
  • Keyboard
    Patent number: D442589
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: May 22, 2001
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Hugh E. McLoone, Jan Hippen, I-Chiang Sun, Kennard E. Nielsen
  • Portion of a keyboard
    Patent number: D442590
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: May 22, 2001
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Hugh E. McLoone, Jan Hippen, I-Chiang Sun
  • Portion of a computer input device
    Patent number: D442592
    Type: Grant
    Filed: April 6, 1999
    Date of Patent: May 22, 2001
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Hugh E. McLoone, Steven W. Fisher, Jonathan A. Hayes
  • Portion of a keyboard
    Patent number: D450056
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: November 6, 2001
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Hugh E. McLoone, Jan Hippen, I-Chiang Sun, Kennard E. Nielsen
  • Portion of a keyboard
    Patent number: D451517
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: December 4, 2001
    Assignee: Microsoft Corporation
    Inventors: Jonathan A. Hayes, Carl J. Ledbetter
  • Portion of a keyboard
    Patent number: D451518
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: December 4, 2001
    Assignee: Microsoft Corporation
    Inventors: Jonathan A. Hayes, Carl J. Ledbetter
  • Keyboard
    Patent number: D458258
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: June 4, 2002
    Assignee: Microsoft Corporation
    Inventors: Jonathan A. Hayes, Carl J. Ledbetter, Hugh E. McLoone, James H. Cauthorn
  • Computer mouse
    Patent number: D412898
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: August 17, 1999
    Assignee: Microsoft Corporation
    Inventors: Aditha M. Adams, Steven T. Kaneko, Carl J. Ledbetter, Hugh E. McLoone
  • Keyboard
    Patent number: D428888
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: August 1, 2000
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Allen Han, Hugh E. McLoone, Kennard Nielsen
  • Receiver for an input device
    Patent number: D429724
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: August 22, 2000
    Assignee: Microsoft Corporation
    Inventors: Allen M. Han, Carl J. Ledbetter
  • Track ball and glow ring for a computer input device
    Patent number: D432131
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: October 17, 2000
    Assignee: Microsoft Corporation
    Inventors: Gregory G. Jones, Carl J. Ledbetter