Patents by Inventor Walter Lesche

Walter Lesche 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).

  • Spade
    Patent number: 4396214
    Abstract: A spade with a replacable blade with a tapered neck-socket connection with a spring pin lock. Footrest steps pitched downwardly on the blade to avoid the leg touching the tubular handle and an oversized two-handed tubular D-handle are provided.
    Type: Grant
    Filed: April 25, 1979
    Date of Patent: August 2, 1983
    Inventor: Walter Lesche