Laser beam strike zone indicator

Details Laser beam strike zone indicator Laser beam strike zone indicator

1996-11-18

1997-10-14

Grieb, Willliam H.

Games using tangible projectile

Playing field or court game; game element or accessory...

Practice or training device

A63B 7102

Patent

active

056766076

ABSTRACT:
A laser beam strike zone indicator including a home plate. A plurality of adjustable laser beams are directed upwardly from the home plate to define a strike zone for a height of a predetermined batter.

REFERENCES:
patent: 4545576 (1985-10-01), Harris
patent: 4611993 (1986-09-01), Brown
patent: 4941662 (1990-07-01), Deperna
patent: 4972172 (1990-11-01), McLaughlin
patent: 5069450 (1991-12-01), Pyle
patent: 5071122 (1991-12-01), Messina
patent: 5401016 (1995-03-01), Heglund et al.

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