4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

Donald W. Whitson

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Electronic controls for automatically operating a cattle dipping

Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Patent

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Feed box monitoring device

Registers – Rotation counters
Patent

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Power driven sweeper

Brushing – scrubbing – and general cleaning – Machines – Combined
Patent

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Smoke alarm device for a grain dryer

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Profile ID: LFUS-PAI-P-202415

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