Patents by Inventor Walter D. Case

Walter D. Case 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).

  • Self-venting bottle
    Patent number: D429643
    Type: Grant
    Filed: August 25, 1997
    Date of Patent: August 22, 2000
    Assignee: Marco Products, Inc.
    Inventor: Walter D. Case