Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Tsung-lung Chang
Taichung
TW
1 patent
2 Patents
US12192729
2025
Speaker
Merry Electronics(shenzhen) Co., Ltd.
0 cites
US12069461
2024
Speaker
Merry Electronics(shenzhen) Co., Ltd.
0 cites