Patents by Inventor Jack L. DeVries

Jack L. DeVries 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: D434138
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: November 21, 2000
    Inventor: Jack L. DeVries