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2058807 | Lockwood | Oct 1936 | A |
D292634 | Chabot | Nov 1987 | S |
D364272 | Brightbill | Nov 1995 | S |
D381203 | Ackermann et al. | Jul 1997 | S |
D398448 | Zanni | Sep 1998 | S |
D401065 | Peltola | Nov 1998 | S |
D421183 | Koskinen | Feb 2000 | S |
D433548 | Baines et al. | Nov 2000 | S |
D494759 | Louie et al. | Aug 2004 | S |
D539541 | Stahl | Apr 2007 | S |
7234599 | Hassell et al. | Jun 2007 | B2 |