|
| US3940149 | 4. Febr. 1974 | 24. Febr. 1976 | | Tonearm linear-drive apparatus |
| US4455641 | 26. Dez. 1979 | 19. Juni 1984 | Dennesen Electrostatics, Inc. | Linear tracking system |
| US4600175 | 18. Okt. 1984 | 15. Juli 1986 | Charles D. Bell Incorporated | Refracting instrument support arm |
| US4751694 | 6. Okt. 1987 | 14. Juni 1988 | Sony Corporation | Compact optical disk player including non-orthogonal optical paths |
| US6149120 | 27. März 1998 | 21. Nov. 2000 | | Low profile slidable shelf |
| US6322180 | 24. Sept. 1997 | 27. Nov. 2001 | | Vibration resistant slidable shelf |
| US6474757 | 27. Nov. 2001 | 5. Nov. 2002 | | Vibration resistant slidable shelf |