| 11969094 |
Chair |
Johann Burkhard Schmitz, Roland Zwick |
2024-04-30 |
| 11166569 |
Chair |
Burkhard Schmitz, Roland Zwick |
2021-11-09 |
| 10653249 |
Chair |
Burkhard Schmitz, Roland Zwick |
2020-05-19 |
| 10301819 |
Wall element |
Burkhard Schmitz, Roland Zwick |
2019-05-28 |
| 10165862 |
Support structure for saddle-form seat surface |
Johann Burkhard Schmitz, Roland Zwick |
2019-01-01 |
| 9538848 |
Piece of seating furniture having a saddle-form seat surface |
Claudia Plikat, Johann Burkhard Schmitz, Roland Zwick |
2017-01-10 |
| 9510684 |
Chair |
Johann Burkhard Schmitz, Claudia Plikat, Roland Zwick |
2016-12-06 |
| 9211014 |
Composite body support member and methods for the manufacture and recycling thereof |
Johann Burkhard Schmitz, Claudia Plikat, Roland Zwick, Andrew J. Kurrasch |
2015-12-15 |
| 7841666 |
Back support structure |
Johann Burkhard Schmitz, Claudia Plikat, Nicolai Neubert, Roland Zwick |
2010-11-30 |
| 7425037 |
Tilt chair and methods for the use thereof |
Johann Burkhard Schmitz, Claudia Plikat, Nicolai Neubert, Roland Zwick, John F. Aldrich +3 more |
2008-09-16 |
| 7419222 |
Support member for a seating structure |
Johann Burkhard Schmitz, Claudia Plikat, Nicolai Neubert, Roland Zwick, Chad Aerts +1 more |
2008-09-02 |
| 7249802 |
Back support structure |
Johann Burkhard Schmitz, Claudia Plikat, Nicolai Neubert, Roland Zwick, Chad Aerts +5 more |
2007-07-31 |
| 7213886 |
Modular tilt housing for a seating structure |
Johann Burkhard Schmitz, Claudia Plikat, Nicolai Neubert, Roland Zwick, John F. Aldrich +1 more |
2007-05-08 |
| 7213880 |
Control device for an adjustable seating structure |
Johann Burkhard Schmitz, Claudia Plikat, Nicolai Neubert, Roland Zwick |
2007-05-08 |
| D494792 |
Back for a seating structure |
Johann Burkhard Schmitz, Claudia Plikat, Nicolai Neubert, Roland Zwick |
2004-08-24 |
| 6582019 |
Tilt assembly for a chair |
Robert W. Insalaco, Neubert Nicolai, Claudia Plikat, Johann Burkhard Schmitz, Roland Zwick |
2003-06-24 |
| D471042 |
Back for a seating structure |
Burkhard Schmitz, Claudia Plikat, Neubert Nicolai, Roland Zwick |
2003-03-04 |