Patents by Inventor Thomas L. Ellsworth

Thomas L. Ellsworth 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).

  • Metal shelving connector and kit
    Patent number: 5944439
    Abstract: A shelving connector has symmetrical arms for locking insertion into metal shelving. The shelving and the connector preferably include radiused surfaces for safety and attractive appearance. The radiused edges of the metal shelving serve a dual function of stiffening the shelving and providing a receiver for arms projecting from the connector. The connector preferably has resilient tabs which are captured in apertures in the receivers. The connector can be advantageously formed from injection molded ABS plastic.
    Type: Grant
    Filed: January 29, 1996
    Date of Patent: August 31, 1999
    Assignee: Safco Products Co.
    Inventors: Thomas L. Ellsworth, Stanley R. Thorud