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| US4796809 | 15 May 1987 | 10 Ene 1989 | | Two-stage pop-up sprinkler |
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| US5785248 | 22 Feb 1996 | 28 Jul 1998 | The Toro Company | Rotary sprinkler drive assembly with filter screen |
| US6651905 | 28 Mar 2001 | 25 Nov 2003 | Nelson Irrigation Corporation | Adjustable arc, adjustable flow rate sprinkler |
| US7014125 | 22 Abr 2002 | 21 Mar 2006 | Naan- Dan Irrigation Systems (C.S) Ltd. | Sprinklers |
| US7032836 | 6 Ago 2003 | 25 Abr 2006 | Nelson Irrigation Corporation | Adjustable arc, adjustable flow rate sprinkler |
| US7159795 | 31 Mar 2004 | 9 Ene 2007 | Nelson Irrigation Corporation | Adjustable arc, adjustable flow rate sprinkler |
| US7988071 | 29 Oct 2008 | 2 Ago 2011 | | Lawn sprinkler |
