4. Railways
  5. Switches
  6. For toothed rail

Richard A. Romine

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Automated electric transportation system

Railways – Switches – For toothed rail
Patent

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Dust-confining vacuum sander

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent

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Portable and collapsible platform

Fire escape – ladder – or scaffold – Wall- or floor-attached – Ladder
Patent

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Profile ID: LFUS-PAI-P-799402

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