4. Illumination
  5. Automatic substitution of power supply or light source

Thomas F. Roche

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Connector for waterproof rechargeable lamp

Geometrical instruments
Patent

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Emergency light battery charger circuit

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent

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Emergency table lamp

Illumination – Self powered lamp – Rechargeable electrical source of with external connections
Patent

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Explosion-proof emergency light

Illumination – Automatic substitution of power supply or light source
Patent

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Universal electrical swivel

Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means
Patent

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Profile ID: LFUS-PAI-P-415092

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