Number | Date | Country | Kind |
---|---|---|---|
61-291364 | Dec 1986 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2757446 | Boegehold et al. | Aug 1956 | |
2958617 | Perry | Nov 1960 | |
3152934 | Lula et al. | Oct 1964 | |
3185600 | Dullberg | May 1965 | |
3223562 | Bassett, III | Dec 1965 | |
3336169 | Kihlberg et al. | Aug 1967 | |
3413166 | Zackay et al. | Nov 1968 | |
3888663 | Reichman | Jun 1975 | |
4101712 | Bomford et al. | Jul 1978 | |
4490175 | Matsuzaki | Dec 1984 | |
4618317 | Matsuzaki | Oct 1986 |
Entry |
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Japanese Laid Open Patent Publication No. 56-5955, Jan. 22, 1981. |