Patents by Inventor Christoph Bohrer

Christoph Bohrer 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).

  • Pen
    Patent number: D823944
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: July 24, 2018
    Assignee: stilform GmbH
    Inventors: Christoph Bohrer, Martin Wagner
  • Fountain pen
    Patent number: D829820
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: October 2, 2018
    Assignee: stilform GmbH
    Inventors: Christoph Bohrer, Martin Wagner
  • Pen
    Patent number: D884788
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: May 19, 2020
    Assignee: stilform GmbH
    Inventors: Christoph Bohrer, Martin Wagner
  • Pen
    Patent number: D981487
    Type: Grant
    Filed: January 17, 2022
    Date of Patent: March 21, 2023
    Assignee: stilform GmbH
    Inventors: Christoph Bohrer, Martin Wagner