4. Communications: electrical
  5. Tactual indication
  6. With input means

Geoffrey A. Ward

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Float controlled syphon valve for swimming pool cover

Fluid handling – Siphons – Periodic or accumulation responsive discharge
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Method and device for use by disabled persons in communicating

Communications: electrical – Tactual indication – With input means
Patent

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Profile ID: LFUS-PAI-P-1143254

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