Patents by Inventor Hermann Eberhardt

Hermann Eberhardt 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).

  • Apparatus for the automatic issuance and return of keys
    Patent number: 4010868
    Abstract: A plurality of keys are movably suspended on a support in successive orientation one behind the other. The leading key engages a dispensing device which normally prevents the discharge of the keys from the support but which is actuable on command to selectively release the first or leading key while retaining the remainder of the keys on the support. Secondary rails are provided for separating and diverting keys according to their use.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: March 8, 1977
    Assignee: Eberhardt & Co.
    Inventors: Arkadijus Rese, Hermann Eberhardt