Utility
Subclass Subgroup Patent
A24D 3/04 12167746
B60W 50/14 12168449
B64D 41/00 12168522
B65C 9/46 12168542
F16B 2/06 12168991
G08B 17/06 12170009
G10K 13/00 12170078
H01H 33/16 12170179
Design and Plant
Class Subclass Patent
D12 111 D1054328