United States Patent: 7673625 - Toy projectile launching device

William James Fienup (Inventor), Barry Kudrowitz (Inventor), David Wallace (Inventor)

Research output: Patent


A toy projectile launching device for launching toy projectiles includes a spring shaped as a hollow hemisphere that is capable of being at least partially inverted from a primary normally convex position to a secondary at least partially inverted loaded position. Upon release, the spring snaps back to the primary position, thereby launching the toy projectile.
Original languageUndefined/Unknown
StatePublished - Mar 1 2010

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