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| US4762089 | 9 Dic 1985 | 9 Ago 1988 | Adrian De Pasquale | Horse-grooming tether device and improved horse grooming stall |
| US5114091 | 4 Jun 1990 | 19 May 1992 | | Dual reel cord take-up device |
| US5544836 | 3 Jun 1994 | 13 Ago 1996 | Lloyds International Trust | Extensible and self-retractable cable device |
