Patents by Inventor Lawrence W. Colwell

Lawrence W. Colwell 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).

  • Speaker housing
    Patent number: D436096
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: January 9, 2001
    Assignee: Motorola, Inc.
    Inventors: Albert L. Nagele, Lawrence W. Colwell
  • Audio device
    Patent number: D616898
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: June 1, 2010
    Assignee: Motorola, Inc.
    Inventors: John M Miller, Lawrence W Colwell