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D286537 | Yamamoto | Nov 1986 | |
D336653 | Baird et al. | Jun 1993 | |
D389495 | Chung | Jan 1998 | |
D395438 | Armstrong | Jun 1998 | |
4491047 | Butkiewicz et al. | Jan 1985 | |
4882962 | Terpstra et al. | Nov 1989 | |
5345850 | Neitzell | Sep 1994 | |
5802939 | Wiand et al. | Sep 1998 |