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Home › Inventors › Chien-Hua Tsao
CT

Chien-Hua Tsao

Overall (All Time): #1,287,817 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5702035 Slender tubular container with opening and closing means — 1997-12-30
5605544 Safety injector with returnable needle — 1997-02-25
5084018 Safety syringe — 1992-01-28
5019044 Safety hypodermic syringe — 1991-05-28

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