4. Communications: electrical
  5. Systems
  6. Game reporting

Steven D. Martin

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Control grid for table tennis scorekeeping device with audio...

Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device
Reexamination Certificate

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Multi-functional volleyball talking scorekeeper

Communications: electrical – Systems – Game reporting
Patent

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Scorekeeping racket device with audio and visual display

Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device
Patent

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Profile ID: LFUS-PAI-P-794966

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