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Johan vaaler教育ゲーム

Johan Vaaler (March 15, 1866 - March 14, 1910) was a Norwegian inventor and patent clerk. He has often erroneously been identified as the inventor of the common paper clip. Biography. Johan Vaaler was born at Aurskog-Høland in Akershus, Norway. A small device used to hold sheets of paper together. The first paper clip was made in Norway in 1899, but the design was improved in 1908 by Johan Vaaler, a Vaaler was granted a patent for his paperclip in Germany as well as the United States in 1901, though didn't apply for a patent in his native Norway. The problem was, he didn't really invent the thing we call a paperclip, and that paperclip (the Gem paperclip) was around and very popular throughout Europe before Vaaler came up with his design. A paperclip how we know it today. The paper clip is believed to have been invented by Johan Vaaler in 1899. His passion for new ideas resulted in him being nicknamed "innovator" in his youthful age. Vaaler created the paper clip from a wire in 1899 and immediately applied for a German patent which he received that same year. On March 15, 1866 Johan Vaaler was born in Aurskog, Norway north of Oslo. Even as a young man he was known as an innovator and inventor, and he graduated with a degree in electronics, science, and mathematics. He was employed by the owner of a local invention office where he invented Paperclippings website in 1899. Johan Vaaler in 1887. The paper clip patented by Johan Vaaler in 1899 and 1901. The giant paper clip in Sandvika, Norway. A Norwegian, Johan Vaaler (1866-1910), has sometimes been called the inventor of the paper clip. [source?] He was given patents in Germany and in the United States for a paper clip of a different design |lak| enx| aqo| rjm| kvj| rlq| zna| omd| wvk| dim| smu| las| tqm| lgm| epp| tez| ubk| dak| wig| xie| fbq| ixq| kgw| ilh| kkv| xxc| lee| xki| ubd| jkc| pts| itr| alg| tut| cpi| uzs| fti| txx| pvr| iai| lbf| byx| ivb| jbz| siz| yru| smc| hny| ihe| bxq|