Subclass | Subgroup | Patent |
H04W | 52/0206 | 12170957 |
52/0216 | 12170958 | |
12170959 | ||
52/0235 | 12170960 | |
12170961 | ||
52/0248 | 12170962 | |
52/143 | 12170963 | |
52/146 | 12170964 | |
52/242 | 12170965 | |
52/32 | 12170966 | |
52/325 | 12170967 | |
52/365 | 12170968 | |
52/48 | 12170969 |