JW

Jiun Jyh Wang

Overall (2003): #60,883 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6557670 Double brake protection device for elevator — 2003-05-06
6516921 Protective means against inertial slip of elevator cab during brake release in an emergency — 2003-02-11