4. Radiant energy
  5. Invisible radiant energy responsive electric signalling
  6. Ultraviolet light responsive means

Charles W. Owen

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Air ionizer

Electricity: electrical systems and devices – Electric charge generating or conducting means – Modification of environmental electric charge
Patent

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Device including battery-activated oscillator

Communications – electrical: acoustic wave systems and devices – Transmitter systems – Animal control
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Electronic flea repelling device with means for carrying collar

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

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Electronic flea-repelling device including an integrated circuit

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

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Suntan indicator

Radiant energy – Invisible radiant energy responsive electric signalling – Ultraviolet light responsive means
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Profile ID: LFUS-PAI-P-131469

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