Number | Date | Country | Kind |
---|---|---|---|
3-244562 | Aug 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
611520 | Smith | Sep 1898 | |
2636493 | Lockhart | Apr 1953 | |
2653609 | Smith | Sep 1953 | |
2659370 | Smith | Nov 1953 | |
3917063 | Chibret et al. | Nov 1975 | |
4583971 | Bocquet et al. | Apr 1986 | |
4614267 | Larkin | Sep 1986 | |
4757911 | Larkin | Jul 1988 | |
4936841 | Aoki et al. | Jun 1990 |
Number | Date | Country |
---|---|---|
225468 | Jun 1987 | EPX |
2-26506 | Jun 1990 | JPX |
9110417 | Jul 1991 | WOX |
Entry |
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English translation of JP-A-H2-4375. |