| prov:value
| - viding air gapsUS4555982Feb 7, 1984Dec 3, 1985Michel GoubaudRoof ventilatorUS4660463May 17, 1985Apr 28, 1987Glidevale Building And Products, Ltd.Roof space ventilatorUS4776262Jun 22, 1987Oct 11, 1988Air Vent, Inc.Preventing insects and other pests from entering an attic spaceUS4876950Apr 18, 1988Oct 31, 1989Rudeen Richard DRoof ventilatorUS4903445Jan 9, 1989Feb 27, 1990Mankowski John PRoof ridge v
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