Patents by Inventor Raymond B. Twyman

Raymond B. Twyman 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).

  • Cargo spring batten
    Patent number: 4332515
    Abstract: A self adjustable spring-loaded brace for use in securing large objects such as cargo within a ship's hold is described consisting of a section of metal tubing with a specialized fitting at one end and at the other end a unitary spring-loaded plunger-cartridge assembly.
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: June 1, 1982
    Inventor: Raymond B. Twyman