Patents by Inventor Dai-Hae Kao

Dai-Hae Kao 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).

  • Signal device for fishing rods
    Patent number: 4266217
    Abstract: A signalling device mounts on a fishing rod to signal a hooked fish. Two relatively movable contacts are axially aligned in the direction of the rod's length. An axial bore through the forward-most contact allows a string to pass therethrough and connect to the rear-most contact. The string clamps to the fishline, whereby the force of a hooked fish will close the contacts to actuate an alarm.
    Type: Grant
    Filed: May 2, 1980
    Date of Patent: May 5, 1981
    Inventors: Dai-Hae Kao, Shii-San Shieh