Patents by Inventor Lawrence D. Lilien

Lawrence D. Lilien 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).

  • Animal toothbrush
    Patent number: 6582224
    Abstract: A powered rotational toothbrush for cleaning the teeth of a dog. The toothbrush includes a battery powered handle having a rotational output shaft coupled to a cylindrical brush. The handle includes a button for initiating the rotation of the brush. A method of using the toothbrush includes rotating the brush while the dog bites down onto it.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: June 24, 2003
    Inventors: Lawrence D. Lilien, Gregory Lilien