4. Education and demonstration
  5. Occupation
  6. Electricity or electronics

Robert A. Hoover

Inventor

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Bracket for conduit trenches

Static structures (e.g. – buildings) – Specified terranean relationship – With waterproofing means; e.g. – covering – coating – or lamina
Patent

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Electrical service simulator

Education and demonstration – Occupation – Electricity or electronics
Patent

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Poppet trip device for hydraulic cylinders

Motors: expansible chamber type – Working member position responsive motive fluid control – Venting expanding chamber
Patent

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Profile ID: LFUS-PAI-P-1287673

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