Patents by Inventor John E. Kroll

John E. Kroll 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).

  • Hose nozzle
    Patent number: 5303868
    Abstract: A nozzle structure arranged for mounting to a garden hose and the like is provided, wherein an L-shaped nozzle structure having a trigger mounted within the nozzle is provided to impart selective fluid flow through an associated outlet conduit. The trigger member is arranged for sliding and reciprocation in a parallel orientation relative to the outlet conduit structure of the invention, and wherein a lock member is arranged to secure the trigger member in operative orientation, and wherein the trigger member is operative to effect manipulation of a rotary valve to direct fluid flow from a first conduit to a second conduit.
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: April 19, 1994
    Inventor: John E. Kroll
  • Marble game board or similar article
    Patent number: D251139
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: February 20, 1979
    Inventor: John E. Kroll