Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Wan Li Ma
Beijing
CN
1 patent
2 Patents
US12382492
2025
WLAN Communication Methods and Devices
Siemens AKTIENGESELLSCHAFT
0 cites
US11727796
2023
System and Method for Determining Vehicle Speed
Yunex GmbH
0 cites