Patents by Inventor Edward van Spaandonk

Edward van Spaandonk 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).

  • Soft drink can attachment
    Patent number: D354682
    Type: Grant
    Filed: August 15, 1991
    Date of Patent: January 24, 1995
    Assignee: Sound Inventions, Inc.
    Inventor: Edward van Spaandonk