Patents by Inventor William Hengler

William Hengler 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: 7904992
    Abstract: A door stop device comprising a block member, a receiving channel to facilitate placement of the device onto a door hinge, and an attaching means suitable for removably attaching the door stop device to an item of clothing worn by a user. The door prop device of the present invention is designed to be readily accessible and available for immediate use by those who primarily work in, or provide service to, the resort, hotel and motel industries.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: March 15, 2011
    Assignee: Vegas Doorstop Industries Inc.
    Inventors: Brian P. Agster, William Hengler
  • Publication number: 20060032017
    Abstract: A door stop device comprising a block member, a receiving channel to facilitate placement of the device onto a door hinge, and an attaching means suitable for removably attaching the door stop device to an item of clothing worn by a user. The door prop device of the present invention is designed to be readily accessible and available for immediate use by those who primarily work in, or provide service to, the resort, hotel and motel industries.
    Type: Application
    Filed: July 28, 2004
    Publication date: February 16, 2006
    Inventors: Brian Agster, William Hengler