4. Lighting
  5. Light fixture
  6. Element or attachment

Albert Sperry

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AC Switch mechanism of the ball contact type

Electricity: circuit makers and breakers – Electric switch details – Contact
Patent

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Adjustable dumbbell apparatus

Undertaking
Patent

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Air defrost for low-bed refrigerated display cases, utilizing si

Refrigeration – Display type – With air controlling or directing means
Patent

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Apparatus for arranging articles

Conveyors: power-driven – Conveyor system for arranging or rearranging stream of items – By queueing items from quantity source of items into stream...
Patent

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Apparatus for automatically loading eggs directly from stacks of

Material or article handling – Chamber of a type utilized for a heating function and...
Patent

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Profile ID: LFUS-PAI-P-1373

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