|
| US3982364 | 23 Ago 1974 | 28 Sep 1976 | Spaceair Products, Inc. | Prefabricated support and floor system for building |
| US4277923 | 18 Oct 1979 | 14 Jul 1981 | Unistrut Corporation | Support pedestal assembly for a raised floor system |
| US4295319 | 31 Oct 1979 | 20 Oct 1981 | G. H. Products, Inc. | Floor panel |
| US4319520 | 7 Ene 1980 | 16 Mar 1982 | Westinghouse Electric Corp. | Air flow floor panel |
| US4362427 | 30 May 1980 | 7 Dic 1982 | Schlegel Corporation | Sealing strip |
| US4453365 | 29 Dic 1981 | 12 Jun 1984 | Tate Architectural Products, Inc. | Edge trim structure for access floor panel |
| US4656795 | 29 Nov 1984 | 14 Abr 1987 | H. H. Robertson Company | Floor panel for elevated floor assembly |
| US4881851 | 5 Ago 1988 | 21 Nov 1989 | Georg Fischer AG | Connecting element for offshore drilling rig |
| US4942708 | 15 Ago 1989 | 24 Jul 1990 | Wenger Corporation | Panel assembly and support structure for elevated floors |
| US5048242 | 4 Abr 1990 | 17 Sep 1991 | C-Tec, Inc. | Access floor system with hemmed edge panel |
| US5054253 | 18 Dic 1989 | 8 Oct 1991 | Pawling Corporation | Rigid grating mat with unidirectional elements |
| US5848501 | 7 Dic 1994 | 15 Dic 1998 | Wenger Corporation | Modular portable system |
| US5946867 | 29 Oct 1997 | 7 Sep 1999 | Ericsson, Inc. | Modular earthquake support for raised floor |
| US5983582 | 5 Mar 1997 | 16 Nov 1999 | AT&T Corp. | Seismic resistant equipment platforms |
| US6106186 | 4 Nov 1998 | 22 Ago 2000 | Wenger Corporation | Modular portable stage system |
| US6491468 | 12 Ago 1998 | 10 Dic 2002 | Sealex, Inc. | Foam backed joint seal system |
| US6581339 | 12 Abr 2001 | 24 Jun 2003 | Wenger Corporation | Erectable platform |
| US6622443 | 11 Abr 2000 | 23 Sep 2003 | Interface, Inc. | Trim for high pressure laminate and other decorative floor coverings |
| US6729075 | 18 Oct 2001 | 4 May 2004 | Wenger Corporation | Audience seating system |
| US6922947 | 6 Abr 2004 | 2 Ago 2005 | Wenger Corporation | Audience seating system |
| US7360343 | 7 May 2003 | 22 Abr 2008 | Daw Technologies, Inc. | Raised access floor |
| US7509782 | 14 Abr 2004 | 31 Mar 2009 | Tate ASP Access Floors, Inc. | Metal framed floor panel having flange outward of rib with u-shaped portion of gasket over top of rib, portion of gasket between rib and flange, and convex sealing portion of gasket below flange and outward of rib |
| US7533500 | 26 Feb 2003 | 19 May 2009 | Deceuninck North America, LLC | Deck plank and method of production |
| US7874115 | 6 Feb 2004 | 25 Ene 2011 | Wenger Corporation | Modular floor |
| US8112947 | 8 Feb 2006 | 14 Feb 2012 | Kingspan Holdings (IRL) Limited | Pedestal head |
