| 摘要 |
A writing instrument for creating a unique marking and method of using the same is provided. The writing instrument has a casing having a working end and a non-working end; an ink source situated in said casing; and a point having microprinting means disposed on an outer surface thereof for depositing a line having a microprint embedded code formed by said microprinting means, said point being disposed at the working end of the casing, said point being a movable member arranged to rotate when moved along a surface, and said point being in fluid flow communication with said ink source.
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