Ningbo
China
12
2026-02-12
The entities that hold a legal rights for patent applications filed by inventor Yu Guolin:
Guolin Yu from Ningbo, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
ILLUMINATING APPARATUS
#2 | 2024-07-18ROTARY ELECTRICAL PLUG
#3 | 2024-05-02SCREW LAMP CAP AND SCREW LAMP SOCKET
#4 | 2023-03-02MOUNTING ASSEMBLY FOR ELECTRICAL BOX
#5 | 2021-09-23Electrical connection assembly
#6 | 2021-03-18Wire connecting device and method thereof
#7 | 2021-02-04Lamp cap and lamp holder thereof
#8 | 2020-07-14Electrical socket
#9 | 2020-07-14Electrical socket
#10 | 2017-11-30Color changing light and controlling method and apparatus thereof
#11 | 2017-11-30Color changing light and related light chain thereof
#12 | 2017-11-30Outdoor lamp holder and outdoor lamp string using same
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