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).

  • Local area network testing instrument
    Patent number: D351112
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: October 4, 1994
    Assignee: John Fluke Mfg. Co., Inc.
    Inventors: Steven W. Fisher, Carl J. Ledbetter
  • Pressure module
    Patent number: D360677
    Type: Grant
    Filed: March 1, 1994
    Date of Patent: July 25, 1995
    Assignee: Fluke Corporation
    Inventors: Carl J. Ledbetter, Monte R. Washburn, Steven W. Fisher, Edmond C. Eng
  • Test tool holster
    Patent number: D361657
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: August 29, 1995
    Assignee: John Fluke Mfg. Co., Inc.
    Inventors: Carl J. Ledbetter, Roger L. Howell, Alden J. Carlson
  • Documenting process calibrator
    Patent number: D363681
    Type: Grant
    Filed: March 1, 1994
    Date of Patent: October 31, 1995
    Assignee: Fluke Corporation
    Inventors: Carl J. Ledbetter, Monte R. Washburn, Mark E. Lockman, Dennis Lamb
  • Rear portion of a pointing device
    Patent number: D382550
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: August 19, 1997
    Assignee: Microsoft Corporation
    Inventors: Steven T. Kaneko, Carl J. Ledbetter, Edie Adams, Kabir Siddiqui
  • Pointing device
    Patent number: D385542
    Type: Grant
    Filed: January 5, 1996
    Date of Patent: October 28, 1997
    Assignee: Microsoft Corporation
    Inventors: Steven T. Kaneko, Carl J. Ledbetter, Edie Adams, Kabir Siddiqui
  • Hand-held remote control unit
    Patent number: D393628
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: April 21, 1998
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Charles Richard Lewis, Jr., Marcus Peter Diebel
  • Positional control device
    Patent number: D402281
    Type: Grant
    Filed: June 18, 1997
    Date of Patent: December 8, 1998
    Assignee: Microsoft Corporation
    Inventors: Carl J. Ledbetter, Steven T. Kaneko, Aditha M. Adams, Hugh E. McLoone, Stanley H. Wada, Edward V. Cruz, John R. Arbak