Patents by Inventor Leonard Y. Dean, IV

Leonard Y. Dean, IV 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).

  • Depth sounder with indicia lighting means
    Patent number: 3953824
    Abstract: A depth sounder having a dial that includes a viewing area, a plurality of indicia surrounding the viewing area, and a flasher that sweeps the viewing area and flashes adjacent to an indicium to indicate the depth sounded, the dial being generally opaque with transparent or translucent indicia so that light from the flasher will illuminate at least some of the indicia in the vicinity of the indicium indicating the depth sounded.
    Type: Grant
    Filed: October 21, 1974
    Date of Patent: April 27, 1976
    Inventor: Leonard Y. Dean, IV