Patents by Inventor Solomon Cohen

Solomon Cohen 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: 4284172
    Abstract: A ALEASA for ladders is comprised of three pieces which when attached to one side of a ladder near its base and adjusted will have the effect of lengthening that side to keep the ladder vertical while resting on an angled plane; or when an ALEASA is attached to each side of a ladder near its top and are adjusted, they will have the effect of extending the ladder to rest against a wall while allowing the top of both sides of the ladder to be free of any contact with the wall; or when an ALEASA is attached to a ladder near its top, and adjusted, it will have the effect of extending that side of the ladder to rest against an angled or different wall while keeping the two sides of the ladder parallel with each other.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: August 18, 1981
    Inventor: Solomon Cohen