Patents by Inventor Hieronim Teresinski

Hieronim Teresinski 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).

  • Neon sign transformer
    Patent number: 5045760
    Abstract: A neon sign transformer for operating a neon tube from a mains frequency alternating current comprising: a filter for filtering electro-magnetic interference from said alternating current; a first rectifier for rectifying said filtered alternating current so as to produce a low level alternating current; electrical circuit driver for generating a high frequency low level alternating current; an electrical power circuitry for generating a high frequency high level alternating current then rectified to provide said high level direct current for energizing said neon tubes.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: September 3, 1991
    Assignee: Williams Sign Supplies Ltd.
    Inventor: Hieronim Teresinski