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RC

Richard Chao

Kaohsiung, MD: #1 of 1 inventorsTop 100%
Overall (1997): #11,967 of 185,788Top 7%
3 Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5682222 Spectacle frame having magnetic coupling 1997-10-28
5627608 Spectacle frame having resilient legs 1997-05-06
5592243 Spectacle frame having gear coupling 1997-01-07