Patents by Inventor Chester R. Pennington

Chester R. Pennington 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).

  • Quality control stamping hammer
    Patent number: 4278024
    Abstract: A stamping hammer for printing quality control indicia on a flat article comprising a rigid, flat base plate, an elongated handle rigidly coupled to the base plate at a fixed angle of about 5.degree.-15.degree., a resilient, shock-absorbing layer rigidly coupled to the base plate, and a rubber stamp pad rigidly coupled to the shock-absorbing layer. The stamp pad has raised characters thereon corresponding to the indicia to be printed onto the flat article.
    Type: Grant
    Filed: October 30, 1979
    Date of Patent: July 14, 1981
    Assignee: Timber Products Inspection & Testing Service
    Inventor: Chester R. Pennington
  • Rubber stamp hammerhead
    Patent number: D248417
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: July 4, 1978
    Assignee: Timber Products Inspection & Testing Service
    Inventor: Chester R. Pennington