Patents by Inventor Ralf Kohler

Ralf Kohler 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).

  • Patent number: D441873
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: May 8, 2001
    Assignee: Eppendorf AG
    Inventor: Ralf Köhler