Patents by Inventor Gerald C. Wobig

Gerald C. Wobig 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).

  • Re-keyable cylinder lock
    Patent number: 4912953
    Abstract: A cylinder lock is adapted to be re-keyed by a change key which, as an incident to turning a plug in a cylinder, shifts a shuttle transversely of the cylinder. The shuttle carries three sets of drive and master pins which may be selectively brought into active position relative to the plug by shifting the shuttle transversely.
    Type: Grant
    Filed: September 29, 1988
    Date of Patent: April 3, 1990
    Assignee: National Lock Corporation
    Inventor: Gerald C. Wobig