Patents by Inventor Bertram Bird

Bertram Bird 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).

  • Bridge module for use in a crane assisted method of building a transportable girder bridge
    Patent number: 4520523
    Abstract: A bridge module is preassembled from girder sections the type disclosed in Pat. No. GB 1209747, and integrated by stabilizing means so as to provide a crane-assisted building method which is less labor intensive and less time consuming than known manual methods.
    Type: Grant
    Filed: October 5, 1982
    Date of Patent: June 4, 1985
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: James P. Fitzgerald-Smith, Bertram Bird, Michael Willis