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| US4329928 | 28 Jul 1980 | 18 May 1982 | | Reciprocable storage racks |
| US4489810 | 19 Ago 1983 | 25 Dic 1984 | | Recessed garbage can container |
| US5072810 | 11 Dic 1990 | 17 Dic 1991 | | Garbage storage system and method |
| US5893241 | 5 Ene 1998 | 13 Abr 1999 | | Precast concrete target house |
| US6000770 | 15 Ene 1999 | 14 Dic 1999 | | Library book bin with a vertically adjustable floor |
| US7650722 | 21 Dic 2001 | 26 Ene 2010 | | Insulation cover for attic closures |
| US7849644 | 16 May 2006 | 14 Dic 2010 | | System for insulating attic openings |
| US7926229 | 27 Abr 2010 | 19 Abr 2011 | | System for insulating attic openings |