Number | Date | Country | Kind |
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5-296406 | Nov 1993 | JPX |
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1151777 | Fulton | Aug 1915 | |
2083943 | Clifford et al. | Jun 1937 | |
2232657 | Davis | Feb 1941 | |
2954064 | Mers | Sep 1960 | |
3457762 | Gain | Jul 1969 | |
3608182 | Hughes et al. | Apr 1969 | |
3699624 | DeGain | Oct 1972 |
Number | Date | Country |
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2037323 | Mar 1971 | DEX |
2831202 | Jan 1980 | DEX |
26-2212 | Apr 1951 | JPX |
56-68535 | Jun 1981 | JPX |
57-199526 | Dec 1982 | JPX |
63-157724 | Jun 1988 | JPX |
64-2733 | Jan 1989 | JPX |
4-172132 | Jun 1992 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 16, No. 474 (M-1319) 2 Oct. 1992 (JP-A-04 172 132). |
Patent Abstracts of Japan, vol. 13, No. 163 (M-816) 19 Apr. 1989 (JP-A-64 002 733). |