Patents by Inventor Donald John Henry Bridge

Donald John Henry Bridge 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).

  • Joint construction for connecting together two frame members
    Patent number: 4027453
    Abstract: A joint construction for connecting together two members, one of the members having opposed side limbs connected by a base defining a trough-like shape, the base having formed therein a re-entrant trough-shaped recess extending longitudinally of the member, the base of re-entrant trough-shaped recess having a plurality of slots adapted to receive hook-shaped tongue elements provided on the other of said members said other member also being of trough-shape and is in contact with the substantial part of said one member when engaged therewith.
    Type: Grant
    Filed: October 9, 1973
    Date of Patent: June 7, 1977
    Assignee: Finspa Engineering Co. Limited
    Inventor: Donald John Henry Bridge