Patents by Inventor Servatius Vroomen

Servatius Vroomen 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).

  • Precious stone
    Patent number: D502886
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: March 15, 2005
    Assignee: F.N. Service Co., Ltd.
    Inventor: Servatius Vroomen