|
| US4003525 | 14. Juli 1975 | 18. Jan. 1977 | Minnesota Mining and Manufacturing Company | Strip material unwinding device |
| US4099681 | 17. März 1977 | 11. Juli 1978 | | Blade-type holder for paper rolls |
| US4373682 | 18. Sept. 1980 | 15. Febr. 1983 | | Holder for toilet paper roll |
| US4566648 | 3. Okt. 1984 | 28. Jan. 1986 | Hygolet AG | Device for applying and conveying a protective cover for a toilet seat |
| US6903654 | 31. Okt. 2003 | 7. Juni 2005 | Alwin Manufacturing Company, Inc. | Automatic dispenser apparatus |
| US6977588 | 3. Juni 2002 | 20. Dez. 2005 | Alwin Manufacturing Co. | Automatic dispenser apparatus |
| US7296765 | 29. Nov. 2004 | 20. Nov. 2007 | Alwin Manufacturing Co., Inc. | Automatic dispensers |
| US7963475 | 4. Dez. 2006 | 21. Juni 2011 | Alwin Manufacturing Co., Inc. | Method and apparatus for controlling a dispenser and detecting a user |
