United States
3
2013-01-03
Mingwu Bai from , US has applied for patents for these inventions. The list has both pending applications and granted patents:
Control method and apparatus for positioning a stage
#2 | 2012-07-19EASY DENTAL FLOSSING DEVICE AND FLOSSING METHOD
#3 | 2010-11-18PORTABLE MANUAL HAND-HELD PAPER SHREDDER
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