Yaowu Ma

États‑Unis d’Amérique

 
Quantité totale PI 3
Rang # Quantité totale PI 500 720
Note d'activité PI 1,1/5.0    3
Rang # Activité PI 336 396

Brevets

Marques
3 0
0 0
0 0
0
 
Dernier brevet 2021 - Keys and locks
Premier brevet 2020 - Key and lock set

Derniers inventions, produits et services

2021 Invention Keys and locks. A key and lock set for a vehicle includes: a vehicle lock set with both vehicle d...
2020 Invention Electrical connector structure adapted for vehicle cigarette lighter device. An electrical connec...
Invention Key and lock set. A key and lock set include: an electronic key without a built-in a power source...