Patents by Inventor Henry J. Dziekan

Henry J. Dziekan 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).

  • Glare shield
    Patent number: 5260827
    Abstract: A glare shield attachable to multiple optical devices or for hand held use is disclosed including two ring shaped housing members each carrying a polarizing element with one ring member rotatably mounted co-axially inside the other ring member. One of the housing ring members includes a hook and loop fastener for attachment to a ring type magnifier and a twistable, flexible positionable arm having a clamp for attachment to other types of optical devices.
    Type: Grant
    Filed: April 21, 1992
    Date of Patent: November 9, 1993
    Inventor: Henry J. Dziekan