Patents by Inventor Elton D. Engel

Elton D. Engel 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: 4831810
    Abstract: A device for inserting picture slides into storage pockets comprises a magazine for a stack of slides and a pusher having a blade which passes through an entrance slot at the bottom of the magazine to engage the lowest slide in the magazine and push it through an exit slot at the opposite side of the magazine and into a storage pocket with which a tongue which projects forwardly of the magazine has been inserted. The device makes it possible to quickly insert picture slides into storage pockets.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: May 23, 1989
    Assignee: Creative Endeavors, Inc.
    Inventor: Elton D. Engel
  • Patent number: 4338025
    Abstract: There is disclosed a novel identification card, sensor, and system using fingerprint or thumbprint pattern identification to confirm the user's identity. The preferred embodiment of identification card contains a sliding transparent window which is concealed when the card is not in use. When the card is used, it is inserted into a sensor and the window is slide to a visible position where the user can impress his or her thumbprint or fingerprint thereon. The sensor scans the thumbprint or fingerprint and transmits the pattern to a central file for comparison with a record thumbprint or fingerprint of the individual who is authorized to use the identification card. An account number can be located on the card enabling the sensor to scan and transmit to the central file, information to identify the record thumbprint or fingerprint against which the user's physical thumbprint or fingerprint is being compared.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: July 6, 1982
    Inventor: Elton D. Engel
  • Patent number: 4202120
    Abstract: The invention is an identification card that displays a finger or thumbprint pattern to confirm the user's identity. The card contains a sliding transparent window that slides from a concealed, non-use position to a visible position where the user can place his fingerprint on the window. When the window slides from the visible position to the concealed position, a wiper in the card cleans the residual print from the window.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: May 13, 1980
    Inventor: Elton D. Engel