Patents by Inventor Lewis L. Evans

Lewis L. Evans 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).

  • Ladder stand-off
    Patent number: 4194592
    Abstract: A ladder stand-off is provided wherein a pair of parallel braces are transversely connected to a pair of extending arms so that a ladder will pass through the space between the braces and arms and that, when the ladder is in use with the stand-off, each of the braces will bear against an opposite side of the ladder to support the upper end of the ladder.
    Type: Grant
    Filed: February 23, 1978
    Date of Patent: March 25, 1980
    Inventor: Lewis L. Evans