Patents by Inventor Harold M. Flynn

Harold M. Flynn 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).

  • Self inking hand stamp
    Patent number: 4149459
    Abstract: A self-inking hand stamp incorporating an oscillating motion of the printing assembly which produces an effective printing action even when the hand stamp is not carefully aligned perpendicular to the printing surface. A wiping action of the printing assembly removes excessive ink from the printing characters prior to the printing stroke.
    Type: Grant
    Filed: February 23, 1978
    Date of Patent: April 17, 1979
    Inventors: Harold M. Flynn, Terry A. Flynn
  • Self-inking hand stamp
    Patent number: 4013007
    Abstract: A self-inking hand stamp incorporating an improved inking arrangement permitting a shorter stroke and also providing a special removable ink pad assembly with associated convenience features.
    Type: Grant
    Filed: September 17, 1975
    Date of Patent: March 22, 1977
    Inventor: Harold M. Flynn