ESSENTIAL SPORTS PRODUCTS, LTD. Trademarks
THE TENNIS SCOREKEEPER
Filed: October 5, 1987
MICROPROCESSOR BASED TENNIS SCORING AND DISPLAY SYSTEM COMPRISING A SELF-CONTAINED COMPUTER AND DISPLAY SCOREBOARD WHICH…
Owned by: ESSENTIAL SPORTS PRODUCTS, LTD.
Serial Number: 73688209
THE ELECTRONIC LINESMAN CYCLOPS INDISPUTABLE
Filed: October 5, 1987
ELECTRONIC LINE MONITOR APPARATUS FOR TENNIS
Owned by: ESSENTIAL SPORTS PRODUCTS, LTD.
Serial Number: 73688210
