Walter Frederick Morrison disc more cheaply. In 1955, he and Lu designed the Pluto Platter, the archetype of all modern flying discs. On January 23, 1957, they sold the rights for the Pluto Platter to the Wham-O toy company. Initially Wham-O continued to market the toy solely as the "Pluto Platter", but by June 1957 they also began using the name "Frisbee" after learning that college students in the Northeast were calling the Pluto Platter by that name. Morrison also invented several other products for Wham-O, but none were as successful as the Pluto Platter. Morrison and his wife, Lu Nay Morrison had
Generic trademark Velcro, Hoover, Jet Ski and Speedo are examples of trademarks that have become genericized in the US and elsewhere. Genericization or "loss of secondary meaning" may be either among the general population or among just a subpopulation, for example, people who work in a particular industry. Some examples of the latter type from the vocabulary of physicians include the names Luer-Lok (Luer lock), Phoroptor (phoropter), and Port-a-Cath (portacath), which have genericized mind share (among physicians) because (1) the users may not realize that the term is a brand name rather than a medical eponym or generic-etymology term, and (2) no