Patents by Inventor Siegfried R. Lehr

Siegfried R. Lehr 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).

  • Medical electrodes
    Patent number: 4011875
    Abstract: An attachable and detachable medical electrode, e.g. for pacemakers with hooks, remotely actuable from the end of the electrode by a guide stylet or a guide catheter, closing by resilient means, opening either by resilience or by spreading means.
    Type: Grant
    Filed: February 25, 1974
    Date of Patent: March 15, 1977
    Inventors: Siegfried R. Lehr, Alfred Schaudig