United States
3
2010-01-21
Weihua Wang from , US has applied for patents for these inventions. The list has both pending applications and granted patents:
Safes without weak parts
#2 | 2009-05-28Electronic display system to show large size visual content on a small size display device
#3 | 2009-01-08Variable size electronic display based on slide-out and slide-in mechanism
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