Frisbee Plastics, the original molder. After learning that he could produce his own disc more cheaply, in 1955 Morrison designed a new model, the Pluto Platter, the archetype of all modern flying discs. He sold the rights to Wham-O on January 23, 1957, and in 1958 Morrison was awarded U.S. Design Patent D183,626 for his product. In June 1957, Wham-O co-founders Richard Knerr and Arthur "Spud" Melin gave the disc the brand name "Frisbee" (pronounced "friz'-bee") after learning that Northeastern college students were calling the Pluto Platter by that term, which derived from the name of the Connecticut-based pie manufacturer, Frisbie
Brand development index for the rest of the country, marketers could test this hypothesis quantitatively. Govoni also defined the BDI as the index of brand sales to category sales, though this ratio is more commonly referred to as market share. Brand development index The brand development index or BDI quantifies how well a brand performs in a market, compared with its average performance among all markets. That is, it measures the relative sales strength of a brand within a specific market (e.g., the Pepsi brand among 10–50-year-olds). The purpose of the BDI metric is to quantify the relative performance of a brand within