Patents by Inventor David N. Carman

David N. Carman 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).

  • Toy casting machine
    Patent number: 4299548
    Abstract: A toy casting machine including a base which has mounted thereon a crucible into which plastic materials may be placed for melting. The crucible is rotatably mounted to a sidewall and may be duped by an actuating mechanism which also moves a predesigned mold into position below the crucible. The crucible and machinery are entirely covered by transparent material to allow viewing the operation and to protect a child operating the machine. An isolating loading apparatus is provided to allow the machine to be loaded with raw material and molds without endangering the operator.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: November 10, 1981
    Assignee: Mattel, Inc.
    Inventors: Gary M. Saffer, Hubert A. Rich, David N. Carman, Ferenc Fekete