Patents by Inventor Elden W. Janke

Elden W. Janke 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).

  • Drawer locking mechanism
    Patent number: 4394056
    Abstract: A mechanism preventing opening more than one drawer at one time, the mechanism having one movable locking bar for each drawer, using gravity to move a bar into interfering, locking position when its associated drawer is opened, and using an inclined surface to raise the bar into non-locking position as the drawer is shut.
    Type: Grant
    Filed: February 11, 1981
    Date of Patent: July 19, 1983
    Assignee: Teradyne, Inc.
    Inventor: Elden W. Janke