Patents by Inventor Haskell Sobol

Haskell Sobol 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: D257552
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: November 25, 1980
    Inventor: Haskell Sobol