Number | Date | Country | Kind |
---|---|---|---|
10-168861 | Jun 1998 | JP | |
10-168875 | Jun 1998 | JP |
Number | Name | Date | Kind |
---|---|---|---|
2526019 | Fowler | Oct 1950 | A |
2646063 | Hayes | Jul 1953 | A |
3073339 | Stelzer | Jan 1963 | A |
3176712 | Ramsden | Apr 1965 | A |
3270771 | Morgan et al. | Sep 1966 | A |
3465786 | Spisak | Sep 1969 | A |
3508576 | Gross | Apr 1970 | A |
4514742 | Suga et al. | Apr 1985 | A |
5305795 | Forberg | Apr 1994 | A |
5388615 | Edlund et al. | Feb 1995 | A |
6000788 | Iida | Dec 1999 | A |
Number | Date | Country |
---|---|---|
1009870 | Jun 1957 | DE |
1852284 | May 1962 | DE |
1550194 | Aug 1969 | DE |
2230642 | Dec 1972 | DE |
751289 | Jun 1956 | GB |
0072271 | Mar 1990 | JP |
9212371 | Jul 1992 | WO |
9614913 | May 1996 | WO |
Entry |
---|
Derwent Abstracts, AN 93-015343, JP 04 345298, Dec. 1, 1992.* |
Patent Abstracts of Japan, vol. 012, No. 098 (M-680), Mar. 31, 1998, JP 62 231759, Oct. 12, 1987. |