Patents by Inventor Harold S. Sinrod

Harold S. Sinrod 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: D273216
    Type: Grant
    Filed: June 2, 1982
    Date of Patent: March 27, 1984
    Inventor: Harold S. Sinrod
  • Patent number: D318817
    Type: Grant
    Filed: January 26, 1988
    Date of Patent: August 6, 1991
    Assignee: Loud-Stik Corporation
    Inventor: Harold S. Sinrod
  • Patent number: D323403
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: January 21, 1992
    Assignee: Loud-Stik Corp.
    Inventor: Harold S. Sinrod