Baseball pitching aid

Details Baseball pitching aid Baseball pitching aid

1990-05-09

1993-03-09

Feifer, Melvin B.

Games, toys, and sports goods

Toy

Representation or scale model

D21 5

Patent

active

D03338568

REFERENCES:
patent: D317033 (1991-05-01), Rains
Cleo Learner's Aids, prior to Feb. 28, 1976, p. 14, middle right, PT-35, Pitching Trainer.

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