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| D269986 | Zacherle et al. | Aug 1983 | S |
| D276641 | Paczko | Dec 1984 | S |
| D283038 | Knight | Mar 1986 | S |
| D291103 | Knight | Jul 1987 | S |
| D387823 | Radosovitch et al. | Dec 1997 | S |
| D408672 | Bear | Apr 1999 | S |
| D418179 | Hansen | Dec 1999 | S |
| D428627 | Sorenson | Jul 2000 | S |
| D472944 | Jacobs | Apr 2003 | S |