Number | Name | Date | Kind |
---|---|---|---|
4025244 | Sato | May 1977 | |
4076461 | Moody, Jr. et al. | Feb 1978 | |
4342199 | Shaw et al. | Aug 1982 | |
4747755 | Ohtsuki et al. | May 1988 | |
5509273 | Lakowske et al. | Apr 1996 |
Number | Date | Country |
---|---|---|
6424193 | Jan 1989 | JPX |
1335024 | Oct 1973 | GBX |
Entry |
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Patent Abstracts of Japan, vol. 015, No. 134 (M-1099), Apr. 3, 1991 & JP 03 015693 A, Jan. 24, 1991. |
Patent Abstracts of Japan, vol. 009, No. 333 (M-443), Dec. 27, 1985 & JP 60 164693 A, Aug. 27, 1985. |