Patents by Inventor Darby S. Wall

Darby S. Wall 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).

  • Trailer alignment method and apparatus
    Patent number: 6480104
    Abstract: A trailer alignment device for simplifying the backing of a tow-vehicle to a trailer. The device utilizes a number of ultrasonic transducers to gauge the location of the tow-vehicle to the trailer. This information is transmitted to a control unit that analyzes such data and creates a visual display for the operator to use in backing the tow-vehicle to the trailer.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: November 12, 2002
    Inventors: Darby S. Wall, Clint R. Wall
  • TRAILER ALIGNMENT METHOD AND APPARATUS
    Publication number: 20020154005
    Abstract: A trailer alignment device for simplifying the backing of a tow-vehicle to a trailer. The device utilizes a number of ultrasonic transducers to gauge the location of the tow-vehicle to the trailer. This information is transmitted to a control unit that analyzes such data and creates a visual display for the operator to use in backing the tow-vehicle to the trailer.
    Type: Application
    Filed: April 23, 2001
    Publication date: October 24, 2002
    Inventors: Darby S. Wall, Clint R. Wall