A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
273/163
A63B 49/02 (2006.01)
Patent
CA 1306476
A B S T R A C T A RACKET WITH IMPROVED THROAT PORTION A racket with improved throat portion (13a, 13b) having a plurality of symmetrical and equidistant recesses (19) on the upper and lower surfaces (17a, 17b, 18a, 18b) of the throat portion to form an oscillation zone for the optimum flexibility and stiffness.
537427
Mcfadden Fincham
Nan Lo Kun
LandOfFree
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