4. Excavating
  5. Peat excavators

Charles F. Johnson

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Apparatus for automatically regulating water level in a swimming

Baths – closets – sinks – and spittoons – Pool type – Construction details
Patent

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Apparatus for forming a concrete wall

Excavating – Peat excavators
Patent

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Container with shock-absorbing insert

Special receptacle or package – Holder for a removable electrical component – Including electrical field – magnetic field – or static...
Patent

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Pinball machine cabinet assembly

Amusement devices: games – Surface projectile game; game element – Ball games
Patent

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Profile ID: LFUS-PAI-P-205980

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