Patents by Inventor Walter D. Harman

Walter D. Harman 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).

  • Pouring spout
    Patent number: D286380
    Type: Grant
    Filed: January 4, 1984
    Date of Patent: October 28, 1986
    Inventor: Walter D. Harman
  • Sprinkler spout closure
    Patent number: D287939
    Type: Grant
    Filed: May 21, 1986
    Date of Patent: January 27, 1987
    Inventor: Walter D. Harman
  • Attachment-bearing bottle
    Patent number: D401143
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: November 17, 1998
    Inventors: Walter D. Harman, Douglas K. Harman
  • Bottle-attaching funnel
    Patent number: D404979
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: February 2, 1999
    Inventors: Walter D. Harman, Douglas K. Harman