Patents by Inventor Herbert Wolder

Herbert Wolder 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).

  • Stylographic pen
    Patent number: D249887
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: October 10, 1978
    Assignee: Koh-I-Noor Rapidograph, Inc.
    Inventors: Gerold Anderka, Ulrich Reif, Herbert Wolder