Patents by Inventor David J. Vucich

David J. Vucich 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: 4303156
    Abstract: A holder for a hand-type calculator constructed and arranged selectively to afford a plurality of angles of elevation.
    Type: Grant
    Filed: August 5, 1980
    Date of Patent: December 1, 1981
    Inventor: David J. Vucich