Patents by Inventor Frank Zabielski

Frank Zabielski 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: 4237915
    Abstract: A pair of crutches of walker type, each crutch being foldable by being made of sections that snap lock together, a lowest section being hollow to carry tools and other items therewithin, a middle section carrying a folding shelf for holding packages and a top section including a hollow handle for carrying keys and coins while a suspended bag under the handle carries other items, the crutch lower end including interchangable discs to suit different walking surfaces such as grass, concrete and the like.
    Type: Grant
    Filed: June 15, 1979
    Date of Patent: December 9, 1980
    Inventors: Frank Zabielski, George Spector