4. Chairs and seats
  5. Bottom or back with means to alter contour
  6. Providing support for lower back region

David F. Ekern

Inventor

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Biomechanical vehicle seat

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region
Reexamination Certificate

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Ventilated seat

Chairs and seats – With heat exchanger or means to provide fluid or vapor... – Portable supplemental pad
Reexamination Certificate

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Ventilated seat

Chairs and seats – With heat exchanger or means to provide fluid or vapor... – Portable supplemental pad
Reexamination Certificate

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Ventilated seat

Chairs and seats – With heat exchanger or means to provide fluid or vapor... – Power source propels air for heat exchange
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2566316

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