Patents by Inventor Dino Marco Zeppellini

Dino Marco Zeppellini 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: 4121651
    Abstract: A casting device comprising a receptacle having an exit orifice at its lower end, a tubular stem carrying a valve for sealing the orifice, a rod in the stem and a valve member carried by the rod for opening and closing the bottom end of an annular space formed between the rod and the stem.
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: October 24, 1978
    Inventor: Dino Marco Zeppellini