Patents by Inventor Marcel Curtil

Marcel Curtil 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).

  • Wristwatch case and wristlet assembly
    Patent number: 3968643
    Abstract: A molded plastic wristwatch case has a rear face with a flat peripheral shoulder and a protruding back having horns, which fits on a complementary central case-receiving part of a plastic wristlet also molded in a single piece. Lateral extremities of shoulders on the wristlet fit around and conceal the case horns.
    Type: Grant
    Filed: March 25, 1975
    Date of Patent: July 13, 1976
    Inventor: Marcel Curtil