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
Pluto (Disney) referred to as "Pluto Junior." In the 1946 animated short "Pluto's Kid Brother", Pluto has a younger brother named K.B. Pluto first and most often appears in the "Mickey Mouse" series of cartoons. On rare occasions, he is paired with Donald Duck ("Donald and Pluto", "Beach Picnic", "Window Cleaners", "The Eyes Have It", "Donald's Dog Laundry", & "Put Put Troubles"). The first cartoons to feature Pluto as a solo star were two Silly Symphonies, "Just Dogs" (1932) and "Mother Pluto" (1936). In 1937, Pluto appeared in "Pluto's Quin-Puplets" which was the first installment of his own film series, then headlined