|
| US4170858 | 18. Aug. 1978 | 16. Okt. 1979 | United States Gypsum Company | Resilient runner for wall construction |
| US4227360 | 5. Mai 1977 | 14. Okt. 1980 | United States Gypsum Company | Resilient furring member |
| US4275541 | 4. Jan. 1980 | 30. Juni 1981 | United States Gypsum Company | Fire resistant floor and ceiling assembly |
| US4750307 | 29. Okt. 1987 | 14. Juni 1988 | United States Gypsum Company | Wall construction and resilient runner therefor |
| US5644883 | 15. Dez. 1995 | 8. Juli 1997 | National Gypsum Company | Multiple use corner clip |
| US5724784 | 8. Febr. 1995 | 10. März 1998 | National Gypsum Company | Shaft wall and horizontal metal stud therefor |
| US5740644 | 28. Jan. 1997 | 21. Apr. 1998 | National Gypsum Company | Wall with horizontal metal stud and reinforcement channel therefor |
| US5740650 | 26. Dez. 1995 | 21. Apr. 1998 | Steelcase Inc. | Partition system |
| US5746034 | 30. Dez. 1994 | 5. Mai 1998 | Steelcase Inc. | Partition system |
| US5746035 | 26. Dez. 1995 | 5. Mai 1998 | Steelcase Inc. | Partition system |
| US5749192 | 13. Sept. 1996 | 12. Mai 1998 | National Gypsum Company | Corner clips for horizonal framing |
| US5784843 | 30. Dez. 1994 | 28. Juli 1998 | Steelcase Inc. | Integrated prefabricated furniture system for fitting-out open plan building space |
| US5809708 | 25. Mai 1995 | 22. Sept. 1998 | Steelcase Inc. | Integrated prefabricated furniture system for fitting-out open plan building space |
| US6067762 | 18. März 1999 | 30. Mai 2000 | Steelcase Development Inc. | Integrated furniture system |
| US6128873 | 5. Juni 1998 | 10. Okt. 2000 | Steelcase Development Inc. | Integrated prefabricated furniture system for fitting-out open plan building space |
| US6134845 | 17. Juni 1999 | 24. Okt. 2000 | Steelcase Development Inc. | Partitions with connecting structure |
| US6134852 | 17. Juni 1999 | 24. Okt. 2000 | Steelcase Development Inc. | Partition frame construction having wireways and off-module connection |
| US6167676 | 17. Juni 1999 | 2. Jan. 2001 | Steelcase Development, Inc. | Method of connecting partitions |
| US6276102 | 23. Mai 2000 | 21. Aug. 2001 | Steelcase Development Corporation | Integrated prefabricated furniture system for fitting-out open plan building space |
| US6397532 | 1. Juni 2000 | 4. Juni 2002 | Steelcase Development Corporation | Partition frame construction having wireways and off-module connection |
| US6481168 | 20. Nov. 1995 | 19. Nov. 2002 | Steelcase Development Corporation | Utility panel system |
| US6668504 | 11. Apr. 2002 | 30. Dez. 2003 | Knight-Celotex, L.L.C. | Sound-deadened wall and wall panel for same |
| US6684583 | 28. Jan. 2002 | 3. Febr. 2004 | Steelcase Development Corporation | Utility panel system |
| US6928785 | 17. Apr. 2002 | 16. Aug. 2005 | Steelcase Development Corporation | Method of connecting partition panels |
| US6951085 | 2. Febr. 2004 | 4. Okt. 2005 | Steelcase Development Corporation | Utility panel system |