|
| US4273306 | 17. Mai 1979 | 16. Juni 1981 | | Adjustable-height support apparatus |
| US4685731 | 28. Okt. 1985 | 11. Aug. 1987 | | Tank crew seat structure |
| US5433320 | 21. März 1994 | 18. Juli 1995 | | Container intended in particular for the transporting of loads to be handled with care |
| US7607724 | 14. Aug. 2007 | 27. Okt. 2009 | Promen-Aid Innovations Ltd. | Collapsible support structure |
| US8038216 | 13. Aug. 2009 | 18. Okt. 2011 | | Portable seat for a wheelchair |
