Beijing
China
3
2019-03-21
The entities that hold a legal rights for patent applications filed by inventor Pan Da:
Da Pan from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Lifter assembly and system for removing highway or railway bridges
#2 | 2019-01-17Gantry assembly and a system for replacing single or double railway bridges
#3 | 2013-03-07Transportation and erection integrated machine with displacement platforms and methods for erecting bridge using the same
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