Patents by Inventor Frederick Dour

Frederick Dour 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).

  • Hand stamp with locking ribs
    Publication number: 20050056173
    Abstract: A hand stamp is disclosed. The hand stamp comprises a frame including dove-tailed ribs which flare outwardly along at least one side thereof. The dove-tailed ribs of the frame are arranged within corresponding shaped grooves of a case, thus obtaining secure mounting of the case on the frame while facilitating relative slidable movement therebetween.
    Type: Application
    Filed: September 12, 2003
    Publication date: March 17, 2005
    Applicant: M&R Marking Systems, Inc.
    Inventor: Frederick Dour