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| US4280399 | 29 May 1980 | 28 Jul 1981 | Bird & Son, Inc. | Roof ridge ventilator | | US4903445 | 9 Ene 1989 | 27 Feb 1990 | | Roof ridge ventilators | | US5427571 | 8 Ago 1994 | 27 Jun 1995 | Cor-A-Vent Incorporated | Ventilated cap system for the ridge of a roof | | US5772502 | 23 Jul 1997 | 30 Jun 1998 | Lomanco, Inc. | Adjustable pitch roof vent with accordion-shaped end plug | | US6233887 | 5 Mar 1999 | 22 May 2001 | Lomanco, Inc. | Rollable shingle-over roof ridge vent and methods of making | | US6260315 | 20 Sep 2000 | 17 Jul 2001 | Lomanco, Inc. | Methods of making a rollable shingle-over roof ridge vent | | USD277229 | 13 Sep 1982 | 15 Ene 1985 | | Roof ridge ventilator | | USD277230 | 13 Sep 1982 | 15 Ene 1985 | | Roof ridge ventilator | | USD277312 | 13 Sep 1982 | 22 Ene 1985 | | Roof edge ventilator | | USD277502 | 13 Sep 1982 | 5 Feb 1985 | | Roof edge ventilator |
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