Patent Grant
D389577
| Number | Name | Date | Kind |
|---|---|---|---|
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| 4528689 | Katz | Jul 1985 | |
| 4528690 | Sedgwick | Jul 1985 | |
| 4534058 | Hower | Aug 1985 | |
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| 4821327 | Furugard et al. | Apr 1989 | |
| 4878501 | Shue | Nov 1989 | |
| 5010889 | Bredesen et al. | Apr 1991 | |
| 5025809 | Johnston et al. | Jun 1991 | |
| 5218969 | Bredesen et al. | Jun 1993 |
