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
History of United States patent law of State to acquire examination from the Attorney General. The examination process was simplified by dropping the clause that patented inventions needed to be "sufficiently useful and important". It was enough that inventions were somehow useful, even if the usefulness was insignificant, and "not before known or used" to be granted patents. Obtaining patents became much easier during the period after the Patent Act of 1793 and the next federal Patent Act passed in 1836. Between the Patent Act of 1790 and that of 1793, only 57 patents were granted, but by July 2, 1836, a total of 10,000 patents