Patents by Inventor Thomas R. Joiner

Thomas R. Joiner 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).

  • Slide printing device
    Patent number: 4184763
    Abstract: An apparatus for printing transparencies, such as 35 mm transparencies, onto instant-developing film is disclosed which is suitable for use in the amateur market. The device includes use of short-focal length lenses so that it may be of compact construction, and a previewing mechanism to assure that the image to be printed is in focus.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: January 22, 1980
    Assignee: Fred B. Handsman
    Inventors: Fred B. Handsman, Thomas R. Joiner
  • Bulk film loader or similar article
    Patent number: D248958
    Type: Grant
    Filed: July 29, 1976
    Date of Patent: August 15, 1978
    Inventor: Thomas R. Joiner