Patents Examined by Steven M. Pallard
  • Self sealing bite valve
    Patent number: 5791510
    Abstract: Apparatus for delivering liquid to the mouth of an individual includes a hollow body portion having an inlet end and an outlet having at least one dispensing slit, and structure connected to the hollow body portion exerting forces on the hollow body portion and closure continuously urging the at least one dispensing slit to closed condition.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: August 11, 1998
    Inventor: Joseph R. Paczonay