Patents by Inventor Richard E. Hewitt

Richard E. Hewitt 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).

  • Combined photo and negative storage container
    Patent number: 5472091
    Abstract: A storage container holding photographs and/or negatives in segregated chambers in which a central polypropylene frame is wrapped with a resin coated non-acid paperboard membrane. The membrane is spaced away from the frame by a variety of projections so as to form the chambers. The central frame is rigid and dimensionally consistent to allow stacking of the containers even though the paperboard membrane is flexible and forms 3 exterior walls of the container.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: December 5, 1995
    Assignee: Endeavour IV, Inc.
    Inventors: Richard E. Hewitt, John K. Clay, William L. Bartlett
  • Self inking hand stamp
    Patent number: 4970954
    Abstract: A hand operated stamp with two slidable housings, one inside the other, adapted to compress springs when slid together and also to rotate a stamp die from an ink pad contacting position inside the inner housing to an imprint positioin at the bottom of the inner housing. The compression springs are attached to and removable with a cap on the outer housing to save space and allow easy replacement of the ink pad.
    Type: Grant
    Filed: January 9, 1990
    Date of Patent: November 20, 1990
    Assignee: Richard E. Hewitt
    Inventors: David A. Weir, Richard E. Hewitt
  • Self-inking hand stamp
    Patent number: D323527
    Type: Grant
    Filed: January 9, 1990
    Date of Patent: January 28, 1992
    Assignee: Porelon, Inc.
    Inventors: David A. Weir, Richard E. Hewitt
  • Stackable photo file
    Patent number: D361789
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: August 29, 1995
    Assignee: Endeavour IV, Inc.
    Inventors: Richard E. Hewitt, John K. Clay, William L. Bartlett