Number | Date | Country | Kind |
---|---|---|---|
63-313157 | Dec 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4374340 | Bouwknegt | Feb 1983 | |
4481442 | Albrecht et al. | Nov 1984 | |
4530710 | Dullea | Jul 1985 | |
4694215 | Hofmann | Sep 1987 | |
4786841 | Fohl et al. | Nov 1988 |
Number | Date | Country |
---|---|---|
0061758 | Oct 1982 | EPX |
0204060 | Dec 1986 | EPX |
0327346 | Aug 1989 | EPX |
60-225346 | Nov 1985 | JPX |
0230256 | Oct 1986 | JPX |
0281251 | Dec 1987 | JPX |
0189850 | Jul 1989 | JPX |
Entry |
---|
"Patent Abstracts of Japan", vol. 12, No. 168 (E-611) [3015], May 1988. |
J. Illum. Engng. Inst. Jpn., vol. 71, No. 1, 12/1987 (pp. 11-14). |