1981-08-10
1982-11-02
Yu, Mickey
46 47, A63H 1700
Patent
active
043566600
ABSTRACT:
A twirling disc adapted to be used by either a novice twirler or an expert twirler. The disc is provided with a pliable covering on one of its faces. The opposite face is provided with a hard covering. A novice twirler effects twirling of the disc by applying his twirling finger to the pliable covered face of the disc. An expert twirler engages his twirling finger with the face of the disc having a hard covering.
REFERENCES:
patent: 3141262 (1964-07-01), Burton
patent: 3453924 (1969-07-01), Glick et al.
patent: 3597520 (1971-08-01), Andrews
patent: 4204357 (1980-05-01), Harrington
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