Number | Name | Date | Kind |
---|---|---|---|
2824559 | Sullivan | Feb 1958 | |
4496322 | Sandham et al. | Jan 1985 | |
4880416 | Horiuchi et al. | Nov 1989 | |
4913897 | Chvapil et al. | Apr 1990 | |
5013769 | Murray et al. | May 1991 |
Entry |
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Japan Abstract of JP 57-109706 Torbibona et al Jul. 1982. |
Japan Abstract of JP-02-85207 Tanaka et al Jul. 1988. |