|
| US5369929 | 1 Feb 1994 | 6 Dic 1994 | Elk Corporation of Dallas | Laminated roofing shingle |
| US5611186 | 30 Nov 1994 | 18 Mar 1997 | Elk Corporation of Dallas | Laminated roofing shingle |
| US5666776 | 30 Ago 1995 | 16 Sep 1997 | Elk Corporation of Dallas | Laminated roofing shingle |
| USD369421 | 17 Mar 1995 | 30 Abr 1996 | Elk Corporation of Dallas | Random cut laminated shingle |
| USD381758 | 16 May 1995 | 29 Jul 1997 | | Door panel |
