Patents by Inventor Robin Whitfield

Robin Whitfield 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).

  • Vehicle mounted sprayer tank
    Patent number: D327941
    Type: Grant
    Filed: August 7, 1990
    Date of Patent: July 14, 1992
    Assignee: C-DAX Systems Limited
    Inventors: John F. Hart, Robin Whitfield
  • Vehicle mounted sprayer tank
    Patent number: D327942
    Type: Grant
    Filed: January 23, 1991
    Date of Patent: July 14, 1992
    Assignee: C-Dax Systems Limited
    Inventor: Robin Whitfield