Patents by Inventor John M. Zelenak

John M. Zelenak 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: 5645404
    Abstract: A personal fluid delivery device includes an electronic pump system and may also include a fluid reservoir system. The fluid reservoir system includes a fluid reservoir and a delivery tube disposed in communication therewith. The electronic pump system includes a pump operable for delivering fluid from the fluid reservoir, an electrical power supply for supplying power to the pump, a dispensing tube operable for providing a passageway for dispensing fluid from the fluid reservoir and an actuating device operable for selectively actuating the pump.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: July 8, 1997
    Assignee: Z Industry, Inc.
    Inventor: John M. Zelenak
  • Patent number: 5361165
    Abstract: A display apparatus includes an image source displaying information and a magnifying mirror element reflecting the displayed information and projecting one or more images thereof viewable by the operator in one or more focal planes, the mirror element being partially light transmissive. A display data source is also provided so that, in a first mode, the display data is not visible and in a second mode the display data is visible to the operator through the mirror. A motor mechanism is operable to pivot the display between a stowed position and an unstowed operational position.
    Type: Grant
    Filed: December 9, 1992
    Date of Patent: November 1, 1994
    Assignee: General Motors Corporation
    Inventors: Steven A. Stringfellow, John M. Zelenak