Patents by Inventor Ronald C Laieski

Ronald C Laieski 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).

  • Patent number: 6734800
    Abstract: A device used to alert an individual of the presense of low atmospheric pressure. This is accomplished through the use of an aeronoid barometer, and an audio/visual alarm. The counterclockwise rotation of the metallic barometer needle contacts the the sensor probe, or metallic contact, at a given low atmospheric pressure. This contact completes an electrical circuit which activates an alarm.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: May 11, 2004
    Inventor: Ronald C Laieski