|
| US4397126 | 30 Jun 1980 | 9 Ago 1983 | | Environmentally adaptable roof structure |
| US4489531 | 23 Feb 1983 | 25 Dic 1984 | The United States of America as represented by the Secretary of the Army | Environmentally adaptable roof structure |
| US4492064 | 11 Dic 1981 | 8 Ene 1985 | The B. F. Goodrich Company | Insulated roof construction |
| US4525967 | 19 Ago 1981 | 2 Jul 1985 | Encon Products, Inc. | Support spacer apparatus for a built-up roof |
| US4736552 | 18 Mar 1986 | 12 Abr 1988 | | Roof insulation system and method of fabrication therefor |
| US4870796 | 16 Nov 1983 | 3 Oct 1989 | | Weatherproof Roofing membrane and method for constructing the same |
| US5088259 | 18 Sep 1989 | 18 Feb 1992 | | Roof construction system |
| US5165210 | 1 Feb 1991 | 24 Nov 1992 | Insta-Foam Products, Inc. | Method of forming a roof seal |
| US5884446 | 13 Mar 1997 | 23 Mar 1999 | Palisades Atlantic Inc. | Roof having improved base sheet |
| US6108993 | 11 Jun 1998 | 29 Ago 2000 | Palisades Atlantic Inc. | Roof having improved base sheet |
| US6247288 | 9 Sep 1999 | 19 Jun 2001 | Guardian Fiberglass, Inc. | Roof fabric dispensing device |
| US6595455 | 17 May 2001 | 22 Jul 2003 | Guardian Fiberglass, Inc. | Rolled fabric dispensing apparatus and fall protection system and method |
| US6640518 | 12 Mar 2001 | 4 Nov 2003 | | Method of ballasting roof covering layers on substantially flat roof surfaces |
| US6705059 | 27 Sep 2001 | 16 Mar 2004 | Guardian Fiberglass, Inc. | Rolled fabric carriage apparatus |
| US7591112 | 21 May 2003 | 22 Sep 2009 | Umicore | Compact roof-covering system |