4. Gas: heating and illuminating
  5. Generators
  6. Cupola

David W. Gregg

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Apparatus and method for solar coal gasification

Gas: heating and illuminating – Generators – Cupola
Patent

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Concrete stamping apparatus

Road structure – process – or apparatus – Apparatus – With surface marking
Reexamination Certificate

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Concrete stamping apparatus

Road structure – process – or apparatus – Apparatus – Means to install or form joint
Reexamination Certificate

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Concrete stamping apparatus

Road structure – process – or apparatus – Apparatus – With surface marking
Reexamination Certificate

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Method for gasification of deep, thin coal seams

Wells – Processes – In situ combustion
Patent

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Profile ID: LFUS-PAI-P-304564

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