Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Tien Hou Cheng
Kowloon
HK
2 patents
2 Patents
US12532934
2026
Attachment and Attachment System for a Helmet
STRATEGIC SPORTS LIMITED
0 cites
USD0974669
2023
Oblique-impact Protection Layer with Pattern
STRATEGIC SPORTS LIMITED
0 cites