Patents by Inventor Milton J. Robbins

Milton J. Robbins 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).

  • Stringed musical instrument
    Patent number: 7700861
    Abstract: A stringed musical toy that allows an individual to play notes on the various strings and alter their pitch by changing the configuration of the string bar end. The stringed musical toy has a generally tapered design, resulting in one wide end and one narrow end. A quartet of strings is located within the housing, and can be plucked through a circular opening found on the front panel. The stringed musical toy also has an acoustic pickup, allowing an individual to connect the stringed musical toy to an amplifier, signal processing unit, recorder, or other similar device.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: April 20, 2010
    Inventor: Milton J. Robbins