Patents by Inventor William M. Hersch

William M. Hersch 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).

  • Patent number: D337528
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: July 20, 1993
    Inventor: William M. Hersch
  • Patent number: D349243
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: August 2, 1994
    Inventor: William M. Hersch
  • Patent number: D349244
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: August 2, 1994
    Inventor: William M. Hersch
  • Patent number: D349245
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: August 2, 1994
    Inventor: William M. Hersch
  • Patent number: D350290
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: September 6, 1994
    Inventor: William M. Hersch
  • Patent number: D416173
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: November 9, 1999
    Inventor: William M. Hersch
  • Patent number: D420256
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: February 8, 2000
    Inventor: William M. Hersch