Velcro Velcro Velcro BVBA is a privately held company that produces fasteners and other products. It is known for being the original patentor of the hook-and-loop fastener, to which it has (over its objections) lent the generic name "velcro." Swiss electrical engineer George de Mestral invented his first touch fastener when, in 1941, he went for a walk in the woods and wondered why Burdock seeds clung to his coat and dog. He discovered it could be turned into something useful. He patented it in 1955 and subsequently refined and developed its practical manufacture until its commercial introduction in the late
De Candolle system De Candolle system The De Candolle system is a system of plant taxonomy by French (Swiss) botanist Augustin Pyramus de Candolle (1778−1841). The first taxonomic system by de Candolle, who introduced the term taxonomy, appeared in his description of the plants of France, his "Flore française" (1805–1815), in 5 volumes dealing with plant species found in France. The De Candolle system is a subsequent taxonomic system. The abbreviation "Syst." in de Candolle's work and subsequent literature refers to his "Regni vegetabilis systema naturale". The De Candolle system recognises the following groups of vascular plants (references to "Prodromus"). Within the "Prodromus"