Patents by Inventor Larry R. Whitfield

Larry R. Whitfield 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: 4199747
    Abstract: A digital readout gearshift indicator for motor trucks, automobiles and other vehicles fitted with manual transmission and gear shift lever, and the like of both tipping cab and fixed cab types, which provides easy after-market installation with minimum adaptation of vehicle needed, and which is well suited for original-equipment installation, includes a gearshift lever position sensing array of switches with adjustable mounting for vehicle floor installation, cooperating with shift-knob position responsive contacts for operatively controlling a digital read-out display for clearly indicating in luminous numerals on the dashboard which of multiple gears in ranges the vehicle transmission is shifted to, enabling drivers to avoid transmission gearing damage with results from shifting out of sequence.
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: April 22, 1980
    Inventors: Scott Miller, Larry R. Whitfield