Patents by Inventor Leonard R. Noga

Leonard R. Noga 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 leg extension apparatus
    Patent number: 5307900
    Abstract: A ladder extension leg apparatus is provided, wherein at least one of the first and second ladder legs includes a leg sleeve receiving the ladder leg to permit telescoping reception of the ladder leg to impart unequal effective length to the first and second legs to accommodate various uneven support heights to the ladder structure.
    Type: Grant
    Filed: July 30, 1993
    Date of Patent: May 3, 1994
    Inventor: Leonard R. Noga