|
| US4091231 | 29. März 1977 | 23. Mai 1978 | Thomas & Betts Corporation | Adjustable floor receptacle |
| US4551577 | 25. Juli 1983 | 5. Nov. 1985 | | Retractable power center |
| US5160809 | 11. März 1991 | 3. Nov. 1992 | | Structure of wire conduit terminal assembly |
| US5888078 | 9. Dez. 1996 | 30. März 1999 | | Retractable service unit |
| US6127630 | 21. Juli 1995 | 3. Okt. 2000 | | Recessible electrical receptable |
| US6234812 | 19. Nov. 1999 | 22. Mai 2001 | | Retractable power and communication outlet arrangements |
| US7588344 | 22. Juli 2004 | 15. Sept. 2009 | MFPF, Inc. | Stainless steel airport light cannister apparatus and method |
| US7605330 | 23. Mai 2008 | 20. Okt. 2009 | Premier Manufacturing Group, Inc. | Retractable power and communication outlet apparatus |
| US7621098 | 14. Nov. 2002 | 24. Nov. 2009 | MFPF, Inc. | Segmented foundation installation apparatus and method |
| US7988316 | 17. Dez. 2004 | 2. Aug. 2011 | MFPF, Inc. | Stainless steel airport light cannister apparatus and method |