4. Beds
  5. Sofa bed
  6. Extension

Roy O. Sweeney

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Fluid amplifier with improved operating range using tapered shim

Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – Plural inlets to one stream from another
Patent

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Knock-down sofa bed with hinged mattress

Beds – Sofa bed – Extension
Patent

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Pulse tube refrigerator

Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Patent

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Profile ID: LFUS-PAI-P-1245109

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