Patents by Inventor Warren R. Stevens

Warren R. Stevens 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).

  • Natural ambience compensator (NAC)
    Patent number: D517051
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: March 14, 2006
    Assignee: Martin-Logan, Ltd.
    Inventors: Rafael Nevares, Joseph M. Vojtko, Gayle Sanders, Warren R. Stevens
  • Navigation device
    Patent number: D543876
    Type: Grant
    Filed: September 1, 2006
    Date of Patent: June 5, 2007
    Assignee: Garmin Ltd.
    Inventors: Robert M. Kalis, Warren R. Stevens, David F. Lammers-Meis, Paul E. Skelton, Stephen P. Waite
  • GPS exercise monitoring device
    Patent number: D549602
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: August 28, 2007
    Assignee: Garmin Ltd.
    Inventors: John P. Oberrieder, Paul E. Skelton, Warren R. Stevens, Brian M. Sandefur, David F. Lammers-Meis
  • Combined pulse rate measurement and display device
    Patent number: D378414
    Type: Grant
    Filed: August 1, 1995
    Date of Patent: March 11, 1997
    Assignee: Pivot International
    Inventors: David Allen, Chris A. Valentine, Warren R. Stevens