4. Chairs and seats
  5. Displaceable bottom exposes supplemental body support
  6. Bottom inverts to form extension of subjacent support

John C. Bowman

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Convertible chair and bed

Chairs and seats – Displaceable bottom exposes supplemental body support – Bottom inverts to form extension of subjacent support
Patent

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Method for replacing the background of an image

Television – Image signal processing circuitry specific to television – Special effects
Patent

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Optical system

Optics: measuring and testing – Inspection of flaws or impurities – Surface condition
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1906028

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