Patents by Inventor Leif Agren

Leif Agren 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: D305264
    Type: Grant
    Filed: March 13, 1987
    Date of Patent: December 26, 1989
    Inventors: Per A. B. Bengtsson, Leif Agren