Number | Name | Date | Kind |
---|---|---|---|
3562950 | Genin | Feb 1971 | A |
3633308 | Yang | Jan 1972 | A |
D224427 | Tomiyama | Jul 1972 | S |
4267661 | Hanson | May 1981 | A |
4493669 | Neuhierl | Jan 1985 | A |
D290145 | Wichman | Jun 1987 | S |
D396501 | Hatting | Jul 1998 | S |
5899789 | Rehkemper et al. | May 1999 | A |
6663464 | Payne et al. | Dec 2003 | B2 |
7766720 | Ostendorff | Aug 2010 | B2 |