Patents by Inventor Alexander Szegi

Alexander Szegi 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).

  • Protected traffic controller spikes
    Patent number: 4325651
    Abstract: The inclined projecting spikes used by parking lots to discourage entrance through the exit are guarded for protection of pedestrians. The guards take the form of either shrouds over the spikes or movable members disposed near the point of the spikes and spring-biased so that the guards will not deflect under the weight of a pedestrian's foot, but will deflect under the weight of an automobile wheel to thereby expose the spikes and deter runaway entry into the exit of a parking lot.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: April 20, 1982
    Inventor: Alexander Szegi
  • Method and apparatus for preserving palette pigments
    Patent number: 4142627
    Abstract: Pigments are preserved on the surface of an artist's palette by storing the palette in a waterproof container having sufficient water to cover the pigments deposited on the surface of the palette. The container is made flat and small for portability.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: March 6, 1979
    Inventor: Alexander Szegi
  • Two-wheeled skate
    Patent number: D264612
    Type: Grant
    Filed: March 17, 1980
    Date of Patent: May 25, 1982
    Inventor: Alexander Szegi