4. Education and demonstration
  5. Vehicle operator instruction or testing
  6. Flight vehicle

Joe H. Cheng

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Abdominal exercising device

Exercise devices – User manipulated force resisting apparatus – component... – Utilizing force resistance generated by user only
Patent

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Accessibility of testing within a validity framework

Education and demonstration – Question or problem eliciting response
Reexamination Certificate

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Activity guideance data processing method

Exercise devices – Having specific electrical feature – Monitors exercise parameter
Patent

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Activity-support instructional systems

Education and demonstration – Computer logic – operation – or programming instruction
Reexamination Certificate

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Actuating device for game machine

Amusement devices: games – Including means for processing electronic data – Player-actuated control structure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-49112

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