|
| US4165895 | 28 Jun 1977 | 28 Ago 1979 | | Pickup device for dog droppings |
| US4440385 | 23 Nov 1981 | 3 Abr 1984 | | Cutting board with funneling effect |
| US5236237 | 20 Abr 1992 | 17 Ago 1993 | | Dog feces collection device |
| US6398278 | 19 Mar 2001 | 4 Jun 2002 | | Item collection device |
| USD333198 | 15 Jul 1991 | 9 Feb 1993 | | Waste collecting receptacle |
