Patents by Inventor Marvin Lewtan

Marvin Lewtan 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).

  • Mouse pad
    Patent number: D447488
    Type: Grant
    Filed: April 15, 1998
    Date of Patent: September 4, 2001
    Assignee: Lewtan Industries Corporation
    Inventor: Marvin Lewtan
  • Mouse pad
    Patent number: D453765
    Type: Grant
    Filed: August 21, 2000
    Date of Patent: February 19, 2002
    Assignee: Lewtan Industries Corporation
    Inventor: Marvin Lewtan
  • Mouse pad
    Patent number: D462361
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: September 3, 2002
    Assignee: Lewtan Industries Corporation
    Inventor: Marvin Lewtan
  • Mouse pad bottom
    Patent number: D462693
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: September 10, 2002
    Assignee: Lewtan Industries Corporation
    Inventor: Marvin Lewtan