Patents by Inventor Volkmar Rollenbeck

Volkmar Rollenbeck 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).

  • Cyclometer for e-bikes
    Patent number: D924709
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: July 13, 2021
    Assignee: Brose Antriebstechnik GmbH & Co.
    Inventors: Christian Marx, Georg Lamparth, Volkmar Rollenbeck
  • Cyclometer for E-bikes
    Patent number: D935336
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: November 9, 2021
    Assignee: Brose Antriebstechnik GmbH & Co.
    Inventors: Christian Marx, Georg Lamparth, Volkmar Rollenbeck