Number | Name | Date | Kind |
---|---|---|---|
2657011 | Slonneger | Oct 1953 | A |
4860404 | Flachs | Aug 1989 | A |
4997152 | Wagman et al. | Mar 1991 | A |
5090507 | Olson et al. | Feb 1992 | A |
5150768 | Olson et al. | Sep 1992 | A |
5217084 | Olson et al. | Jun 1993 | A |
6059266 | Ascherin et al. | May 2000 | A |
6283455 | Ascherin et al. | Sep 2001 | B1 |
7485032 | Hogue | Feb 2009 | B1 |
7857288 | Dunlap | Dec 2010 | B2 |
20070045211 | Beatty | Mar 2007 | A1 |
20080237415 | Michalec | Oct 2008 | A1 |
20090152227 | Thompson et al. | Jun 2009 | A1 |
20100102179 | Broadley et al. | Apr 2010 | A1 |