4. Education and demonstration
  5. Geography
  6. Map or terrain model

Kent Fernstrom

Examiner

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Double-beam math balance

Education and demonstration – Mathematics – Arithmetic
Reexamination Certificate

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Educational tool for defensive driving

Education and demonstration – Vehicle operator instruction or testing – Automobile or truck
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Magic squares game

Amusement devices: games – Puzzles – Jumping movement
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Selectively transparent map

Education and demonstration – Geography – Map or terrain model
Patent

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Profile ID: LFUS-PAI-P-1153465

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