Patents by Inventor James B. Dobson

James B. Dobson 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).

  • Portable door lock
    Patent number: 4878701
    Abstract: A portable door lock for securing a door from the interior. The lock includes a retractable blade (10) for interaction with the door strike plate and a handle (12) including mechanism to prevent motion of the blade when the handle is not coliner with the blade.
    Type: Grant
    Filed: April 16, 1987
    Date of Patent: November 7, 1989
    Assignee: Advanced Products & Technologies
    Inventors: Stephen A. Rondel, James B. Dobson