4. Amusement devices: games
  5. Puzzles
  6. Take-aparts and put-togethers

Harold Ashton

Inventor

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Picture puzzle of multiple panels with progressive difficulty

Amusement devices: games – Puzzles – Take-aparts and put-togethers
Patent

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Well abandonment apparatus

Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1989296

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