Artur Fischer from plastic materials (Polyamide) and is available in various shapes and sizes since 1958 (see Wall plug). Fischer held over 1100 patents and overtook Thomas Alva Edison, who held 1093 patents. Fischer also held 5867 trade rights and invented fischertechnik. Further inventions are (bone-)plugs for fixing bone fractures and one of Fischer’s most recent inventions is a gadget that makes it possible to hold and cut the top off an egg of any size. He got started on the problem when a hotel owner complained to him that his guests, on opening their boiled eggs for breakfast, always made a
Stanford R. Ovshinsky Stanford R. Ovshinsky Stanford Robert Ovshinsky (November 24, 1922 – October 17, 2012) was an American inventor and scientist who over a span of fifty years was granted well over 400 patents, mostly in the areas of energy and information. Many of his inventions have had wide ranging applications. Among the most prominent are: an environmentally friendly nickel-metal hydride battery, which has been widely used in laptop computers, digital cameras, cell phones, and electric and hybrid cars; flexible thin-film solar energy laminates and panels; flat screen liquid crystal displays; rewritable CD and DVD discs; hydrogen fuel cells; and nonvolatile phase-change