Patents by Inventor Bruce Dziengielewski

Bruce Dziengielewski 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: D417054
    Type: Grant
    Filed: August 19, 1991
    Date of Patent: November 23, 1999
    Inventor: Bruce Dziengielewski