Patent Grant
D401224
| Number | Name | Date | Kind |
|---|---|---|---|
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| 4631881 | Charman | Dec 1986 | |
| 4654756 | Wilson et al. | Mar 1987 | |
| 4685255 | Kelley | Aug 1987 | |
| 4879955 | Moll et al. | Nov 1989 | |
| 5013873 | Deinbele et al. | May 1991 | |
| 5038539 | Kelley et al. | Aug 1991 | |
| 5081808 | Bastian et al. | Jan 1992 | |
| 5094174 | Grund et al. | Mar 1992 | |
| 5184441 | Balfanz, Jr. | Feb 1993 | |
| 5186425 | Keusch et al. | Feb 1993 | |
| 5237935 | Newhouse et al. | Aug 1993 | |
| 5272988 | Kelley et al. | Dec 1993 | |
| 5287666 | Frascaroli et al. | Feb 1994 | |
| 5337657 | Diffrient | Aug 1994 | |
| 5406760 | Edwards | Apr 1995 | |
| 5479747 | Wu | Jan 1996 | |
| 5606920 | Meyer et al. | Mar 1997 | |
| 5640912 | Diffrient | Jun 1997 |
