Patents by Inventor David L. Doud

David L. Doud 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: 6227479
    Abstract: The sealing strip separation film retriever has a tubular spindle with first and second ends and an inside diameter. A plurality of slots in the spindle extend from the second end toward the first end and form fingers. A first end plate is secured to the first end of the spindle. A hand crank is secured to the first end plate. A shaft carries a second end plate and a spindle support block. The spindle support block is telescopically received in the spindle and supports the fingers. A support handle, with a joint, is journaled on the hand crank and on the shaft.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: May 8, 2001
    Inventors: William L. Dean, David L. Doud