Ningbo
China
6
2013-07-04
The entities that hold a legal rights for patent applications filed by inventor Dong Cailiang:
Cailiang Dong from Ningbo, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Pen-barrel heat transferring device
#2 | 2013-07-04FOUNTAIN-PEN AUTOMATIC ASSEMBLY LINE
#3 | 2013-07-04INK-FILLING MACHINE FOR WRAP-AROUND CORE
#4 | 2013-07-04Vibrating device for uniform filling of granular ornaments
#5 | 2013-07-04Flat-pen automatic assembly line
#6 | 2013-07-04PEN TIP PEENING MACHINE
317005 ⎘