Patents by Inventor Marvin P. Green

Marvin P. Green 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).

  • Collapsible sailing rescue watercraft
    Patent number: 5373799
    Abstract: In a preferred embodiment, a watercraft which is carried by a main watercraft, including: a longitudinally extending horizontal central hull portion; port and starboard longitudinally extending horizontal pontoons being movably attached to the central hull portion: the port and starboard pontoons being extendable from a collapsed position nested against sides of the central hull portion to an extended position spaced apart from the central hull portion and parallel to the central hull portion; and the central hull portion and the port and starboard pontoons in the extended position comprising a trimaran.
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: December 20, 1994
    Inventor: Marvin P. Green