Patents by Inventor Wallace E. Davis

Wallace E. Davis 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).

  • Double door front locking newspaper vending machine
    Patent number: 4784252
    Abstract: An enclosed newspaper vending machine has a double front door with a paper access door mounted in a security door carrying coin actuated release mechanism for the paper access door and a key operated pin lock fits within a surrounding guard on the front of the security door for locking engagement with a rod or pin extending forwardly from an interior wall of the enclosure.
    Type: Grant
    Filed: March 2, 1987
    Date of Patent: November 15, 1988
    Inventor: Wallace E. Davis