Patents by Inventor Michael D. Bickford

Michael D. Bickford 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: D390210
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: February 3, 1998
    Inventors: Michael D. Bickford, Daniel E. Gerritsen
  • Patent number: D392642
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: March 24, 1998
    Inventors: Michael D. Bickford, Daniel E. Gerritsen