Shanghai
China
3
2018-08-30
The entities that hold a legal rights for patent applications filed by inventor Ball Ronald Harold:
Ronald Harold Ball from Shanghai, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and apparatus for extrusion of thermoplastic handrail
#2 | 2018-04-26Method and apparatus for extrusion of thermoplastic handrail
#3 | 2015-10-08Method and apparatus for extrusion of thermoplastic handrail
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