Number | Name | Date | Kind |
---|---|---|---|
D47955 | Karpeles | Oct 1915 | S |
D341316 | Fritz et al. | Nov 1993 | S |
5607709 | Fritz et al. | Mar 1997 | A |
D394807 | Krupa et al. | Jun 1998 | S |
D404644 | Meeker | Jan 1999 | S |
D409909 | Hayes et al. | May 1999 | S |
D424432 | Knutson et al. | May 2000 | S |
D437220 | Knutson et al. | Feb 2001 | S |
D444382 | Hayes et al. | Jul 2001 | S |
D502095 | Tucker et al. | Feb 2005 | S |
D502869 | Clarke | Mar 2005 | S |
7243813 | Krueger | Jul 2007 | B2 |