Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Chih-jui Chen
Taoyuan
TW
1 patent
2 Patents
US11772858
2023
Airtight Device
DELTA ELECTRONICS, Inc.
0 cites
USD0989571
2023
Child Spoon
MASTERWORK AOITEK TECH Corp. Ltd.
0 cites