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Max Cheng

Overall (All Time): #2,235,924 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6098876 Coin return chute structure of payphone — 2000-08-08
6038298 Lower casing structure of payphone — 2000-03-14

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