Patents by Inventor Robin Trench Weld

Robin Trench Weld 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: 4021875
    Abstract: This invention relates to bridge sections and is particularly concerned w bridge sections of the type which incorporates tensioned cables to reinforce the structure of the bridge sections. The cables are tensioned to provide a bowstring truss section in the completed bridge.
    Type: Grant
    Filed: April 10, 1975
    Date of Patent: May 10, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: William Ray Abell, Philip Stanley Bulson, Robin Trench Weld