Patents Represented by Attorney, Agent or Law Firm Lewis J. Hoffman
  • 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