Number | Date | Country | Kind |
---|---|---|---|
8-013728 | Jan 1996 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
984282 | Main | Feb 1911 | |
2313428 | Glenn | Mar 1943 | |
2531737 | Lyon | Nov 1950 | |
3611896 | Aoki | Oct 1971 | |
4283132 | Engelsmann et al. | Aug 1981 | |
4396270 | Suzuki | Aug 1983 | |
4410253 | Tsuboi | Oct 1983 | |
4457604 | Tsuboi | Jul 1984 | |
4681418 | Kodaira | Jul 1987 | |
5461441 | Kotani | Oct 1995 |
Number | Date | Country |
---|---|---|
3220265 | Jan 1983 | DEX |
Entry |
---|
Patent Abstracts of Japan No. JP 58 033232 A, published Feb. 26, 1983. |