|
| US4049852 | 2 Sep 1975 | 20 Sep 1977 | The Dow Chemical Company | Laminate preparation and application thereof |
| US4073997 | 17 Sep 1976 | 14 Feb 1978 | Owens-Corning Fiberglas Corporation | Composite panel |
| US4128688 | 14 Dic 1976 | 5 Dic 1978 | Mannington Mills, Inc. | Resinous moisture resistant laminate |
| US4272936 | 2 Ene 1979 | 16 Jun 1981 | | Inverted roof system |
| US4274238 | 23 Ago 1978 | 23 Jun 1981 | Southern Chemicals Limited | Roof structure |
| US4397126 | 30 Jun 1980 | 9 Ago 1983 | | Environmentally adaptable roof structure |
| US4425746 | 15 Jun 1981 | 17 Ene 1984 | | Inverted roof system |
| US4489531 | 23 Feb 1983 | 25 Dic 1984 | The United States of America as represented by the Secretary of the Army | Environmentally adaptable roof structure |
| US4506483 | 5 Ago 1983 | 26 Mar 1985 | Roofblok Limited | Roof construction |
| US4535579 | 5 Ago 1983 | 20 Ago 1985 | Roofblok Limited | Roof ballast block |
| US4559263 | 11 Feb 1985 | 17 Dic 1985 | The Dow Chemical Company | Cement-foam composite board |
| US4583337 | 24 May 1985 | 22 Abr 1986 | The Dow Chemical Company | Flat roof structure |
| US4658554 | 24 Dic 1984 | 21 Abr 1987 | The Dow Chemical Company | Protected membrane roof system for high traffic roof areas |
| US4712349 | 5 Feb 1987 | 15 Dic 1987 | The Dow Chemical Company | Protected membrane roof system for high traffic roof areas |
| US4965977 | 13 Feb 1990 | 30 Oct 1990 | | Insulated panelized roofing system |
| US5099627 | 28 Sep 1990 | 31 Mar 1992 | Benjamin Obdyke Incorporated | Ventilated roof construction and method |
| US5494729 | 4 May 1993 | 27 Feb 1996 | Impact Coatings, Inc. | Non-slip, non-abrasive coated surface |
| US7726087 | 16 Jun 2006 | 1 Jun 2010 | California Nail & Supply Company | Industrial roofing system and method |
| US8096892 | 20 Feb 2007 | 17 Ene 2012 | Water Ride Concepts, Inc. | Control system for water amusement devices |