Patents by Inventor Michael H. Hirsch

Michael H. Hirsch 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: D469633
    Type: Grant
    Filed: November 3, 2001
    Date of Patent: February 4, 2003
    Inventor: Michael H. Hirsch
  • Patent number: D469634
    Type: Grant
    Filed: November 3, 2001
    Date of Patent: February 4, 2003
    Inventor: Michael H. Hirsch
  • Patent number: D469635
    Type: Grant
    Filed: November 3, 2001
    Date of Patent: February 4, 2003
    Inventor: Michael H. Hirsch