Nicolai Neubert

Tilt chair with a flexible backrest, adjustable armrests and adjustable seat depth and method for its use

Carola E. M. Zwick, Claudia Plikat, Chad D. Aerts, 2003 .

Adjustable chair having inclining backrest and seat squab pivotally linked to a tilt housing

Carola E. M. Zwick, Claudia Plikat, John F. Aldrich, 2003 .