4. Amusement devices: games
  5. Card or tile games, cards or tiles therefor
  6. Word, sentence, or equation forming

Nat Seiden

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Arithmetic card game method

Amusement devices: games – Card or tile games – cards or tiles therefor – Word – sentence – or equation forming
Patent

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Means for improving rocket missile accuracy

Aeronautics and astronautics – Missile stabilization or trajectory control – Stabilized by rotation
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Method of controlling the spin rate of tube launched rockets

Aeronautics and astronautics – Missile stabilization or trajectory control – Stabilized by rotation
Patent

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Profile ID: LFUS-PAI-P-419328

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