Games using tangible projectile – Player held and powered – nonmechanical projector – per se,... – Bat
Reexamination Certificate
2006-04-28
2008-08-12
Graham, Mark S (Department: 3711)
Games using tangible projectile
Player held and powered, nonmechanical projector, per se,...
Bat
C473S520000
Reexamination Certificate
active
07410433
ABSTRACT:
A bat has an elongate tubular striking member of a first material, and an elongate handle member of a second material. The handle may be of composite material laid up in selected layers and orientation to produce selected weight distribution, strength, and stiffness and improved batting capabilities. The striking member and handle member may have juncture sections which are substantially rigidly interconnected through mating configurations.
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Excerpts from the Easton Baseball and Softball Catalogues for the years 1995 through 1998.
Softball Bat Vibration During the Swing and Impact: a Preliminary Analysis of Empirical Data, 1999.
Determining Baseball Bat Performance Using a Conservative Equations Model with Field Test Validation, Aug. 2000.
Eggiman Michael D.
Fritzke Mark A.
Gaff Bradley L.
Guenther Douglas G.
Graham Mark S
O'Brien Terence P.
Wilson Sporting Goods Co.
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