Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Bart Boris Verschoor
Amsterdam
NL
2 patents
2 Patents
US12430987
2025
Playing Card with Electronic Authenticator
Seal Network B.V.
0 cites
US11908273
2024
Playing Card with Electronic Authenticator
Seal Network B.V.
0 cites