Patents Assigned to Protocad Corp.
  • Toy rollercoaster track section
    Patent number: D717887
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: November 18, 2014
    Assignee: Protocad Corp.
    Inventor: Brian D. Edwards
  • Toy rollercoaster track section
    Patent number: D718395
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: November 25, 2014
    Assignee: Protocad Corp.
    Inventor: Brian D. Edwards
  • Toy rollercoaster track section
    Patent number: D726835
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: April 14, 2015
    Assignee: protoCAD Corp.
    Inventor: Brian D. Edwards