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| US4269010 | 21 Nov 1979 | 26 May 1981 | | Multi fin post anchor system | | US4702639 | 30 Ago 1985 | 27 Oct 1987 | | Slalom post | | US4949525 | 21 Mar 1989 | 21 Ago 1990 | | Rotatable, flexible flagpole arrangement | | USRE39543 | 24 Nov 1997 | 3 Abr 2007 | ProGuard, Inc. | Use of aromatic aldehydes as insecticides and for killing arachnids |
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