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Artists' pens; Ball pens; Ball point pens; Ball-point pens; Ballpoint pens; Bubble pens; Colored pens; Desk stands and holders for pens, pencils, and ink; Electrical wood burning artists' pens; Felt marking pens; Felt pens; Felt writing pens; Felt-tip pens; Fibertip pens; Fountain pen ink cartridges; Fountain pens; Gel roller pens; Glitter pens for stationery purposes; Glue pens for stationery purposes; Highlighter pens; Highlighting pens; India ink pens; Ink pens; Marking pens; Pen and pencil cases; Pen and pencil cases and boxes; Pen and pencil holders; Pen and pencil trays; Pen cases; Pen clips; Pen holders; Pen ink cartridges; Pen ink refills; Pen nibs; Pen or pencil holders; Pen rests; Pen stands; Pen trays; Pencil or pen boxes; Pens; Pens for marking; Pocket pen shields; Porous tip pens; Refills for ballpoint pens; Roller ball pens; School supply kits containing various combinations of selected school supplies, namely, writing instruments, pens, pencils, mechanical pencils, erasers, markers, crayons, highlighter pens, folders, notebooks, paper, protractors, paper clips, pencil sharpeners, writing grips, glue and book marks; Stands for pen and pencil; Stands for pens; Stands for pens and pencils; Steel pens; Tips for ballpoint pens; Writing pen kits comprising parts for making writing pens; Writing pens that may also be used to perform pen spinning tricks