Royal Industries Co., Ltd. Patent applications |
Patent application number | Title | Published |
20120193831 | METHOD OF FORMING AN ERASER - To provide an eraser moulding toy with which it is possible to mould an eraser having a coloured pattern or design, a plurality of thermofusible eraser members | 08-02-2012 |
20100133720 | ERASER MOULDING TOY AND METHOD OF FORMING AN ERASER - To provide an eraser moulding toy with which it is possible to mould an eraser having a coloured pattern or design, a plurality of thermofusible eraser members | 06-03-2010 |