Patents by Inventor Evangelos A. Papadatos

Evangelos A. Papadatos 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).

  • Multi-positional tree stand
    Patent number: 6102357
    Abstract: A versatile and adjustable stand having a base, a receptacle attached to the base via a ball and socket joint, and a plurality of horizontally and vertically adjustable legs. The stand also includes a locking device which fixes the angular position of the ball portion of the ball and socket joint, and various spring biasing mechanisms which allow for vertical and horizontal adjustability of the legs.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: August 15, 2000
    Inventor: Evangelos A. Papadatos
  • Chord selector for a stringed instrument
    Patent number: 4665789
    Abstract: A device comprising mechanical means for fingering the fret board of a stringed instrument such as a guitar. The mechanical means includes a plurality of buttons, slide members, levers and string engaging members. By depressing an individual button, a plurality of the string engaging members will press a like number of strings against the frets, thus establishing a chord.
    Type: Grant
    Filed: June 19, 1985
    Date of Patent: May 19, 1987
    Inventor: Evangelos A. Papadatos