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| US4412756 | 13 nov 1980 | 1 nov 1983 | Transequip Limited | Structural element |
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| US4917528 | 11 apr 1988 | 17 apr 1990 | | Panel joint |
| US5052847 | 19 mar 1990 | 1 okt 1991 | Camar S.p.A. | Fixing plate for concealed devices used for wall-mounting an item of wall furniture |
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| US6485222 | 25 jan 2001 | 26 nov 2002 | | Clamping bracket fastening for mounting hinges, locks or similar components onto a thin wall |
| US6682256 | 3 jul 2002 | 27 jan 2004 | | Fastening device |
| US6726255 | 25 mar 2002 | 27 apr 2004 | | Tube-in-tube joint |
| US7804685 | 26 dec 2008 | 28 sep 2010 | Chatsworth Products, Inc. | Ducted exhaust equipment enclosure |
| US8040673 | 28 sep 2010 | 18 okt 2011 | Chatsworth Products, Inc. | Ducted exhaust equipment enclosure |
| US8107238 | 8 sep 2009 | 31 jan 2012 | Chatsworth Products, Inc. | Ducted exhaust equipment enclosure |
