Patents/Inventors

Jianghua Yan

Causeway BayHK2 patents

3 Patents

US120058692024
Rubber Bucket and Tire Repairing and Inflation Device
ACTIVE TOOLS INTERNATIONAL (HK) Ltd.
0 cites
US119048172024
Pipe Connector Assembly and Tire Maintenance Apparatus Having Same
Active Tools International (HK) Ltd.
0 cites
US116620462023
Connection Member, Connection Assembly and Tire Repair Machine
ACTIVE TOOLS INTERNATIONAL (HK) Ltd.
0 cites