Number | Name | Date | Kind |
---|---|---|---|
3561511 | Kummer | Feb 1971 | A |
4599928 | Oker | Jul 1986 | A |
5749145 | Baukloh | May 1998 | A |
D400065 | Fohrman | Oct 1998 | S |
20050199115 | Veltrop et al. | Sep 2005 | A1 |
20070022611 | Verbiest | Feb 2007 | A1 |
20100031830 | Engdahl et al. | Feb 2010 | A1 |