Subclass
Subgroup
Patent
H03F
1/0216
12170505
1/26
12170506
1/52
12170507
3/193
12170508
3/45475
12170509
H03G
3/32
12170510
H03H
7/0115
12170511
7/20
12170512
9/13
12170513
9/2457
12170514
9/542
12170515
9/568
12170516
9/706
12170517
H03K
3/012
12170520
5/2481
12170521
17/6871
12170518
19/0963
12170519
H03L
7/085
12170522
H03M
1/46
12170523
1/468
12170524
1/66
12170525
12170526
1/785
12170527
7/3059
12170534
13/1111
12170528
13/1131
12170529
13/13
12170530
13/154
12170531
13/2792
12170532
13/2909
12170533