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D295551 | Yost | May 1988 | |
D299161 | Frattini | Dec 1988 | |
D301605 | Jans | Jun 1989 | |
D314040 | Heieck | Jan 1991 | |
D314812 | Jans | Feb 1991 | |
D321750 | Spangler | Nov 1991 | |
D349757 | Altman | Aug 1994 | |
D350390 | Bollenbacher | Sep 1994 | |
D364213 | Dannenberg et al. | Nov 1995 | |
D364215 | Starck | Nov 1995 | |
D367920 | Hill et al. | Mar 1996 | |
D373815 | Chaney | Sep 1996 | |
D374478 | Doughty et al. | Oct 1996 | |
D375542 | Doughty et al. | Nov 1996 | |
D377517 | Doughty et al. | Jan 1997 | |
D379213 | Gottwald | May 1997 | |
D387133 | Donahue et al. | Dec 1997 | |
D393963 | Mansour | May 1998 | |
D406323 | Snyder | Mar 1999 | |
2507943 | Swilik | May 1950 | |
4037624 | Turner et al. | Jul 1977 | |
4592388 | Wilcox | Jun 1986 | |
4976287 | Sheen | Dec 1990 | |
5361431 | Freir et al. | Nov 1994 | |
5417348 | Perrin et al. | May 1995 |