A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 69/38 (2006.01) A63C 19/00 (2006.01)
Patent
CA 2076621
TENNIS INSTRUCTION SYSTEM ABSTRACT OF THE DISCLOSURE A tennis instruction system comprises reference means for correlating a player's position on a tennis court with a mode of play selected from a predetermined number of alternative playing modes to enable selection of a particular mode of play from the alternative playing modes. The instruction system further includes a zone referencing system for dividing a tennis court into five distinct playing zones and a tennis court demarcation means (30) is provided for demarcating a tennis court into the playing zones.
Gonzalez-Risso Patricio
Hobden Brett R.
Russell Reyneke
Tenotec Systems Inc.
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