Patents by Inventor Alan Moon

Alan Moon 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: 5039147
    Abstract: A doorstay comprising a stay having a determined length retraction, and being formed by two members in telescopic relationship. The stay is pivotally mountable at the distal end of one member to a first bracket to be secured to a surface, such as a wall against which the door is openable, and at the distal end of the other member is locatable into a second bracket secured to the inside of the door. The doorstay is provided with an audible or visual warning signal, of both an audible and visual warning signal, actuated when attempt is made from the other side of the door to open the door.
    Type: Grant
    Filed: August 14, 1989
    Date of Patent: August 13, 1991
    Assignee: George Windsor McCrea
    Inventors: Alan Moon, George W. McCrea