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Pyn Maa

Overall (All Time): #2,291,447 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D343127 Combined wrist watch and tide indicator Li Chen 1994-01-11
5161129 Tide watch Li Chen 1992-11-03