U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

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YI, LIYi, LianfangYI, LianfangYI, LIANFANGYi, Li-MingYi, Lin (3)Yi, LiqiangYi, LisaYi, LiyuYi, LongYi, Luciano C.Yi, Lun (2)Yi, Lydia M.Yi, Man HuiYI, Man-JungYi, MannYI, MannYi, Mark LiYi, Mi H.Yi, Mi-hieYi, Mi Hie (2)Yi, Mi-HieYi, MinYI, MinYi, MingYi, MingguangYi, MingqiangYi, Min-HoYi, MinKyung (2)Yi, Min-YoungYi, Moon DoYI, Moon DoYi, MuqingYi, Myeong-Jong
Yi, Sang-BaiYi, Sang-donYi, Sang-DonYi, SanghoYi, Sang-hoYi, Sang-HoYI, SanghoYi, Sang Hyun (2)YI, SANG-HYUNYi, SangilYi, Sang InYi, Sang MiYI, Sang MiYi, SangminYi, Sang-MinYI, Sang-MinYi, Sang S.Yi, Sang-YeolYi, Sang YiYI, Sang YiYi, Sang YongYi, Sang-yun (2)Yi, Sang-YunYi, Seok-hoYi, Seol MinYi, Seong H.Yi, Seong HoonYi, Seong-Hwan (2)Yi, SeungYi, Seung-aYi, Seung B.Yi, Seung Baek
 
 
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