Patents by Inventor Donald E. Jeffreys

Donald E. Jeffreys 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).

  • Patent number: 5683214
    Abstract: A spring activated securing device having a "J" shaped bent hardened steel rod 4 which passes thru the eye-bolt located at the bow of a boat, thereby securing the boat to a trailer equipped with a bow roller assembly. And two side plates used to contain the said "J" shaped bent rod. And a "U" shaped bent plate which acts as a triggering device for the "J" shaped bent rod.
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: November 4, 1997
    Assignee: Donald E. Jeffreys
    Inventor: Donald E. Jeffreys