Patents by Inventor Danny E. Crawford

Danny E. Crawford 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: 5363987
    Abstract: A vending machine is designed to dispense multiple copies of a publication one at a time. The machine includes a storage member adapted to temporarily store multiple copies of a publication in a face-to-face orientation, a suction assembly formed of at least one suction cup that is adapted to seize and transport the front most copy of the publication to a dispensing position, a valve assembly associated with the suction cup to cause the cup to vent when in a dispensing position to dispense such copy into a delivery chute, and a slidable backplate biased to continuously urge the remaining copies of the publication forward.
    Type: Grant
    Filed: February 17, 1993
    Date of Patent: November 15, 1994
    Assignee: Seven, Ltd.
    Inventors: Danny E. Crawford, Gene A. Hall, Dennis A. Jendro, Dennis P. Rolph, Danny L. Nelson, Paul D. Elst, Gregory E. Erlandson, Jack T. Mowry, Robert L. Neiss, Craig K. Loebig, Richard A. Helms
  • Patent number: 4954025
    Abstract: A tool adapted for use with a drill for installing screw anchors in concrete or masonry walls or the like having a sleeve type body, a bit holder slidably located in the body, a drill bit with a handle secured in the bit holder, a coil spring seated on a collar of the bit holder and extending around the bit, and a nut driver secured to the front end of the body. The bit holder is adapted to receive the bit handle and to also serve as a stabilizer for the bit and the coil spring. The nut driver is formed to guide the bit and to shield the front end of the bit from contact with drive members that may be secured in the nut driver.
    Type: Grant
    Filed: January 16, 1990
    Date of Patent: September 4, 1990
    Assignee: Diversified Fastening Systems, Inc.
    Inventors: Danny E. Crawford, Doug Rogge
  • Patent number: 4917552
    Abstract: An improved pin drive anchor has an elongated body with an inner end with a reduced section about which a locking sleeve member is secured, and a longitudinal bore extending the length of the body and having a reduced diameter section proximate to the sleeve member. The sleeve member and the body inner end are slotted to permit expansion of the sleeve member and the inner end when a pin is driven through the entire length of the body bore to firmly secure the anchor in the cavity of a wall.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: April 17, 1990
    Assignee: Diversified Fastening Systems, Inc.
    Inventor: Danny E. Crawford