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
Hartford-Empire Co. v. United States year. It was understood that Owens would be the only company operating with suction machinery. Hartford and Owen then proceeded to buy up the other patents in the glassware industry. Hazel-Atlas resisted Hartford and Owen until 1932, when Hartford, Owens and Hazel-Atlas entered into a series of agreements settling patent infringement litigation. Hartford granted to Hazel-Atlas the right to use Hartford patents and inventions, but Hazel-Atlas was not to license or sell such patents and inventions to anyone. Hazel-Atlas granted to Hartford the right to use Hazel-Atlas patents and inventions. Hazel-Atlas agreed to pay Hartford royalties for the use of