Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Michal Leszczynski
Warsaw
PL
9 patents
3 Patents
US12602671
2026
System and Method for Digital Currency Management Using a Bearer Instrument
Arx Research, Inc.
0 cites
USD1098946
2025
Specialized NFC Tag
Arx Research, Inc.
0 cites
USD1098947
2025
Specialized NFC Tag
Arx Research, Inc.
0 cites