Patents by Inventor Gaston Schweighauser

Gaston Schweighauser 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).

  • Concealed display
    Patent number: 5289437
    Abstract: A wristwatch with analogue time display comprises a dial with a hatch (19), and a rotatable disc or hoop (10) bearing non-time indications. The disc is arranged in such a way that the indications provided thereon appear in the hatch via an opening provided in said disc and having a size which is equal to the size of each indication. Said opening reveals additional indications provided by an electro-optical display device (30) when said opening (21) coincides with said hatch (19).
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: February 22, 1994
    Assignee: Montres Rolex S.A.
    Inventors: Claude-Eric Leuenberger, Gaston Schweighauser