Subclass | Subgroup | Patent |
D01F | 109 | 12168840 |
D04H | 146 | 12168841 |
1587 | 12168842 | |
3007 | 12168843 | |
D06F | 3500 | 12168844 |
37266 | 12168845 | |
39028 | 12168846 | |
3904 | 12168847 | |
43083 | 12168848 | |
5824 | 12168849 | |
D21F | 10036 | 12168850 |
708 | 12168851 | |
D21H | 1118 | 12168852 |
2116 | 12168853 | |
27002 | 12168854 |