Patents by Inventor Andrew A. Dumbreck

Andrew A. Dumbreck 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: 4725863
    Abstract: A stereoscopic camera with two lenses, in which each lens is supported by a support table fixed rigidly to two parallel resilient plates. Simultaneous focussing and convergence of the lenses is brought about by a cam urging the plates to bend, thereby constraining both lenses to follow the required straight line loci.
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: February 16, 1988
    Assignee: United Kingdom Atomic Energy Authority
    Inventors: Andrew A. Dumbreck, Stephen P. Murphy