4. Amusement devices: games
  5. Chance devices
  6. Electric or magnetic

Robert E. Cummins

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Flat panel display inspection system

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent

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Football board game and teaching aid

Amusement devices: games – Chance devices – Electric or magnetic
Patent

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Profile ID: LFUS-PAI-P-596455

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