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Home › Inventors › Tsung-Wen Shea
TS

Tsung-Wen Shea

Overall (All Time): #2,284,394 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5386891 Mechanism for controlling the raising and lowering of a door — 1995-02-07
5203392 Mechanism for controlling the raising and lowering of a door — 1993-04-20

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