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
Swiss coordinate system shift between the two datums is 3 metres on the ground, so most map and GPS users will not notice any difference. The easting and northing is increased by 2 and 1 million, respectively, resulting in 14-digit rather than 12-digit metre coordinates. Swiss coordinate system The Swiss coordinate system (or Swiss grid) is a geographic coordinate system used in Switzerland for maps and surveying by the Swiss Federal Office of Topography (Swisstopo). The map projection used is Oblique Mercator on an 1841 Bessel ellipsoid. The geodetic datum CH1903 (SRID 21781) uses as fundamental point the old observatory of Bern (