OZ

Otto Zapf

AL Allsteel: 12 patents #1 of 31Top 4%
KN Knoll: 5 patents #3 of 44Top 7%
HA Hauserman: 2 patents #5 of 17Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Disney: 1 patents #3,944 of 6,686Top 60%
Overall (All Time): #63,559 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 1–25 of 46 patents

Patent #TitleCo-InventorsDate
7445288 Vehicle seat 2008-11-04
6959964 Portable backrest structure 2005-11-01
D503560 Stacking chair David B. Rowland 2005-04-05
6435615 Seating furniture with downwardly movable, pivoting backrest 2002-08-20
D453900 Panel connector top cap 2002-02-26
D434915 Office chair 2000-12-12
D418337 Seat back 2000-01-04
D402143 Drawer panel 1998-12-08
D398795 Drawer panel 1998-09-29
D385125 Convertible desk bureau 1997-10-21
D382735 Side panel 1997-08-26
5649739 Backrest for a seat arrangement 1997-07-22
5636897 Seating furniture cover 1997-06-10
D373273 Seat 1996-09-03
D363391 Desk 1995-10-24
5448863 Covered wall unit and method of making same 1995-09-12
D360786 Seat 1995-08-01
D348787 Chair 1994-07-19
D346072 Rolling chair 1994-04-19
D331513 Drawer unit 1992-12-08
D331335 File cabinet 1992-12-01
D330643 Combined desk, wall panel and storage unit 1992-11-03
D330641 Combined desk, wall panel and storage unit 1992-11-03
D330642 Combined dual desk, wall panel and storage unit 1992-11-03
D330295 Combined dual work surface, wall panel and storage unit 1992-10-20