Patents by Inventor David A. Tomlin

David A. Tomlin 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).

  • Device for and method of displaying messages
    Patent number: 7080474
    Abstract: A message display device is provided which includes a portable control unit having electric power supplied externally. A timing device is provided which controls opening and closing of a hinged member, for example a car hood. The hinged member is attached with a visual display. A lifting device elevates the hinged member away from a lower surface to stretchably reveal display.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: July 25, 2006
    Inventors: Gordon H. Curtiss, David A. Tomlin
  • Device for and method of displaying messages
    Patent number: 6785990
    Abstract: A device for and method of displaying messages is provided which includes a portable control cabinet having electric power supplied externally. A timing device is provided which controls opening and closing of a hinged member, for example a car hood. The hinged member is attached with a visual display. A lifting device elevates the hinged member away from a lower surface to stretchably reveal display. A method of displaying a message is also provided.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: September 7, 2004
    Inventors: David A. Tomlin, Gordon H. Curtiss
  • Device for and method of displaying messages
    Publication number: 20020017044
    Abstract: This invention is a device for displaying messages which comprises a portable control cabinet with electric power supplied externally, a timing device for controlling opening and closing of a hinged member, such as a car hood, a lifting device, such as air pillows and a visual display attached to said hinged member. This invention includes a method of displaying messages which uses the device or similar devices.
    Type: Application
    Filed: September 20, 2001
    Publication date: February 14, 2002
    Inventors: David A. Tomlin, Gordon H. Curtiss