Number | Date | Country | Kind |
---|---|---|---|
63-61947 | Mar 1988 | JPX | |
63-61948 | Mar 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3736909 | Marangohi et al. | Jun 1973 | |
4474143 | Wincze | Oct 1984 | |
4474497 | Sullivan | Oct 1984 |
Number | Date | Country |
---|---|---|
930959 | Jul 1955 | DEX |
2087508 | May 1982 | GBX |
Entry |
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Patent Abstracts of Japan, vol. 11, No. 50 (M-562) [2497], Feb. 17, 1987. |
Patent Abstracts of Japan, vol. 10, No. 326 (M-532) [2382], Nov. 6, 1986. |
Patent Abstracts of Japan, vol. 10, No. 59 (M-459) [2116], Mar. 8, 1986. |