2023
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Invention
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Seat extension device for providing zero-gravity orientation. A seat extension device for providi... |
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Invention
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Double-electric-motor elderly chair extension device capable of providing zero-gravity posture. A... |
2019
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Invention
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Structurally improved manual sofa stretching device. A structurally improved manual sofa stretchi... |
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Invention
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Manual sofa stretching device with improved structure. Disclosed is a manual sofa stretching devi... |
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Invention
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Electric-powered mechanically slidable expansion device for headrest and ratchet back mechanism. ... |
2018
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Invention
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Method and system for footrest stretching device for convertible sofa seating unit. A footrest st... |
2017
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Invention
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Motorized furniture headrest assembly for seating systems using motorized drive through axial act... |
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Invention
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Motorized furniture headrest assembly for seating systems. A motorized furniture headrest assembl... |