Number | Date | Country | Kind |
---|---|---|---|
3-124312 | May 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1358413 | Brodsky | Nov 1920 | |
2492809 | Marks | Dec 1949 | |
2748659 | Geffcken et al. | Jun 1956 | |
2982178 | Marks | May 1961 | |
3439968 | Hansen et al. | Apr 1969 | |
3765746 | Ashley et al. | Oct 1973 | |
4219867 | Zehender | Aug 1980 | |
4464018 | Gagnon | Aug 1984 | |
4464019 | Gagnon | Aug 1984 | |
4827334 | Johnson et al. | May 1989 | |
5237435 | Kurematsu et al. | Aug 1993 |
Number | Date | Country |
---|---|---|
974318 | Nov 1960 | DEX |
58-182605 | Oct 1983 | JPX |
61-14486 | Apr 1986 | JPX |
61-090584 | Aug 1986 | JPX |
63-4217 | Jan 1988 | JPX |
1302385 | Jun 1989 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 14, No. 94 (P-1010) 21 Feb. 1990 & JP-A-13 02 385 Published Jun. 12, 1989, English Abstract. |
Patent Abstracts of Japan, vol. 10, No. 268 (E-436) 12 Sep. 1986 & JP-A-61 090 584 Published Aug. 05, 1986, English Abstract. |