Patents by Inventor Elmer J. Hingst

Elmer J. Hingst 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).

  • Hood-mountable digital speedometer
    Patent number: 4041782
    Abstract: A digital speedometer includes analog-to-digital converter means which may be coupled to a speed-indicator of a vehicle-mounted speedometer for converting a position of the speed indicator into a binary number which is displayed, upon being converted into a decimal number, on a display means mounted on the hood of a vehicle.
    Type: Grant
    Filed: August 3, 1976
    Date of Patent: August 16, 1977
    Inventor: Elmer J. Hingst