BS

Burkhard Schmitz

HM Herman Miller: 4 patents #100 of 427Top 25%
W& Wilkhahn Wilkening + Hahne Gmbh &: 2 patents #9 of 34Top 30%
Overall (All Time): #448,715 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
11761201 Partition wall Carola Eva Marianne Zwick, Roland Rolf Otto Zwick 2023-09-19
11166569 Chair Carola Zwick, Roland Zwick 2021-11-09
10653249 Chair Carola Zwick, Roland Zwick 2020-05-19
10301819 Wall element Carola Zwick, Roland Zwick 2019-05-28
D471370 Task chair Claudia Plikat, Nicolai Neubert, Carola Eva Marianne Zwick, Roland Rolf Otto Zwick 2003-03-11
D471042 Back for a seating structure Claudia Plikat, Neubert Nicolai, Carola Zwick, Roland Zwick 2003-03-04
6053588 Workstation Franz Biggel 2000-04-25
6048044 Collapsible workstation Franz Biggel 2000-04-11
D385429 Foldable workstation Franz Biggel 1997-10-28
5366274 Synchronous adjusting device for office chairs or the like Hans Roericht, Horst Fleischmann, Franz Biggel 1994-11-22
5251958 Synchronous adjusting device for office chairs or the like Hans Roericht, Horst Fleischmann, Franz Biggel 1993-10-12