Patents by Inventor Jens E. von Elder

Jens E. von Elder 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).

  • Writing instrument
    Patent number: D324397
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: March 3, 1992
    Assignee: A.T. Cross Company
    Inventors: Jens E. von Elder, Stephen V. Boyce