Number | Name | Date | Kind |
---|---|---|---|
1856350 | Metcalf | May 1932 | A |
2318721 | Siver | May 1943 | A |
2387215 | Fawkes | Oct 1945 | A |
3554224 | Kirk et al. | Jan 1971 | A |
3685532 | Kasschau | Aug 1972 | A |
3720221 | Hufeld et al. | Mar 1973 | A |
3853145 | Jude | Dec 1974 | A |
4016897 | Asioli | Apr 1977 | A |
4116216 | Rosenberg | Sep 1978 | A |
4173233 | Snyder | Nov 1979 | A |
4178963 | Riefler et al. | Dec 1979 | A |
4221238 | Madsen | Sep 1980 | A |
D287044 | Hughes | Dec 1986 | S |
4632361 | Callison | Dec 1986 | A |
4729406 | Frentzel | Mar 1988 | A |
5022426 | Fischer | Jun 1991 | A |
6622933 | Young et al. | Sep 2003 | B1 |
8137541 | Zook | Mar 2012 | B2 |
20090199915 | Novacek et al. | Aug 2009 | A1 |
20090229692 | Rohwer et al. | Sep 2009 | A1 |
Number | Date | Country | |
---|---|---|---|
Parent | 13312947 | Dec 2011 | US |
Child | 29444266 | US |