Columbia, Maryland
United States
6
2011-07-07
The entities that hold a legal rights for patent applications filed by inventor Chen Xia:
Xia Chen from Columbia, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Ratcheting device for an electronic torque wrench
#2 | 2010-03-04Electronic torque wrench with a manual input device
#3 | 2008-06-12Mechanical torque wrench with an electronic sensor and display device
#4 | 2007-05-31Display device for an electronic torque wrench
#5 | 2007-05-31Mechanical torque wrench with an electronic sensor and display device
#6 | 2007-05-31Electronic torque wrench with a torque compensation device
3544329 ⎘