Invention Grant
US08128300B2 Hand held photochromic marking implement 有权
手持光致变色标记工具

Hand held photochromic marking implement
Abstract:
Disclosed is a hand-held photochromic marking implement including a photochromic colorant and solid phase colorant carrier which can be used in direct-to-media marking and a method of forming same.
Public/Granted literature
Information query
Patent Agency Ranking
0/0