Patents by Inventor Leonard Buster Pohl

Leonard Buster Pohl 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).

  • Circuit monitor to determine power on and circuit working
    Patent number: 4052664
    Abstract: An assembly of components for monitoring an electrical circuit, and which truly indicates whether the circuit is working; the assembly including a voltage transformer in series with a minimum resistance load, a secondary winding of the transformer communicating with a full wave bridge rectifier connected through a gate, cathode, silicon controlled rectifier and silicon rectifier diode to a pilot lamp.
    Type: Grant
    Filed: May 13, 1976
    Date of Patent: October 4, 1977
    Inventor: Leonard Buster Pohl