Patents by Inventor Shum H. Che

Shum H. Che 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).

  • Head-fitting swimming apparatus
    Patent number: 4897064
    Abstract: A swimmer's face mask (1) comprising a visor (3, 4 and 5), a holder (6) for the visor (3, 4 and 5) and a strap (7) for attaching the holder (6) to the face of a swimmer. The visor (3, 4 and 5) is of transparent plastic material and has two laterally extending panels (3, 4 and 5) sealed at their edges to form a hollow water-tight compartment (13). This compartment (13) provides sufficient buoyancy to float the entire face mask (1) when it is detached from the head of a swimmer.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: January 30, 1990
    Assignee: Ever In Enterprises, Limited
    Inventor: Shum H. Che