Patents by Inventor Alfred G. Piotrovsky

Alfred G. Piotrovsky 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).

  • Low-maintenance, low-glare luminaire
    Patent number: 4747028
    Abstract: The present invention relates to the field of luminaires, and more specifically relates to the field of luminaires employing means to provide even, glare-free illumination.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: May 24, 1988
    Assignee: Metropolitan Life Insurance Company
    Inventor: Alfred G. Piotrovsky