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Device for the removal of foul air from toilet bowls

Baths – closets – sinks – and spittoons – Ventilation – Electric-motor pump
Patent

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Device for the removal of foul air from toilet bowls and the lik

Baths – closets – sinks – and spittoons – Ventilation – Electric-motor pump
Patent

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Devices and methods for toilet ventilation using a radar sensor

Baths – closets – sinks – and spittoons – Ventilation – Electric-motor pump
Reexamination Certificate

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Disposable air exhaust system for eliminating aerosol effect...

Baths – closets – sinks – and spittoons – Ventilation – Electric-motor pump
Reexamination Certificate

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Drain assembly for a lavatory basin

Baths – closets – sinks – and spittoons – Ventilation
Patent

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Drain assembly for sanitary fixture with built-in overflow devic

Baths – closets – sinks – and spittoons – Ventilation
Patent

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Drain trap

Baths – closets – sinks – and spittoons – Ventilation
Patent

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Drain valve activator assembly

Baths – closets – sinks – and spittoons – Ventilation
Patent

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Drain valve and lift rod connection

Baths – closets – sinks – and spittoons – Ventilation
Patent

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Drain valve ball lever

Baths – closets – sinks – and spittoons – Ventilation
Patent

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Drainage system in multi-story building

Baths – closets – sinks – and spittoons – Ventilation – House plumbing
Patent

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Draining plug device

Baths – closets – sinks – and spittoons – Ventilation
Patent

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Electric toilet deodorizer

Baths – closets – sinks – and spittoons – Ventilation – Electric-motor pump
Patent

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Electronic air deodorizer and method of using same

Baths – closets – sinks – and spittoons – Ventilation
Patent

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Environmentally controlled portable toilet

Baths – closets – sinks – and spittoons – Ventilation – Seat structure
Patent

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Exhaust fan

Baths – closets – sinks – and spittoons – Ventilation – Water-motor pump
Patent

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Feasible odorless water closet

Baths – closets – sinks – and spittoons – Ventilation – Electric-motor pump
Patent

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Filtration housing unit for use with a ventilated toilet seat

Baths – closets – sinks – and spittoons – Ventilation – Electric-motor pump
Reexamination Certificate

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Flanged trap incorporating access fitting

Baths – closets – sinks – and spittoons – Ventilation
Patent

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Flexible trap for a waste line assembly

Baths – closets – sinks – and spittoons – Ventilation
Patent

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