4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Dong Chang

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Golf club head and inserts

Games using tangible projectile – Golf – Club or club support
Reexamination Certificate

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Polarization-type laser detection system

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2136499

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