Patents by Inventor Roy Edwin van Swicten

Roy Edwin van Swicten 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).

  • Mastic gun
    Patent number: D572096
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: July 1, 2008
    Assignee: Ray Technology Group B.V.
    Inventors: Roy Edwin van Swicten, Eelco Han de Man