Patents by Inventor Peggy F. M. David

Peggy F. M. David 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: 4696775
    Abstract: A device for producing a gas-and-liquid mixture, such as for intake by humans, includes a holder for the liquid and a feeding arrangement for the gas. The feeding arrangement includes an element adapted to cooperate with a user's upper lip to comprise a feed valve, which in part blocks the free discharge opening of the holder and can serve at the same time as a supporting surface for the upper lip, and a supporting surface for the lower lip at the same time constituting the feeding arrangement for the gas.
    Type: Grant
    Filed: August 1, 1986
    Date of Patent: September 29, 1987
    Assignee: Kartell SpA
    Inventor: Peggy F. M. David