Number | Date | Country | Kind |
---|---|---|---|
7-043316 | Mar 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1458492 | Mathews et al. | Jun 1923 | |
2686336 | Kleinlein et al. | Aug 1954 | |
3343922 | Zimmer et al. | Sep 1967 | |
3717330 | Pinney | Feb 1973 | |
4034967 | Gustairs | Jul 1977 | |
4277585 | Fournel et al. | Jul 1981 | |
4690989 | Kolinsky et al. | Sep 1987 | |
5108711 | Chszaniecki | Apr 1992 |
Number | Date | Country |
---|---|---|
2090808 | Apr 1971 | FRX |
2638086 | Aug 1976 | DEX |
8032619 | Feb 1983 | JPX |
8368 | Feb 1923 | NLX |
0768447 | Oct 1980 | SUX |
0778765 | Nov 1980 | SUX |
0803957 | Feb 1981 | SUX |
Entry |
---|
Database WPI, Section Ch, Week 9201, Derwent Publications Ltd., Class D15, AN 92-000234 & DD-A-292 437, 1 Aug. 1991, abstract. |
Patent Abstracts of Japan, vol. 11, No. 124 (C-416), 17 Apr. 1987 & JP-A-61 264004, 21 Nov. 1986, abstract. |
Patent Abstracts of Japan, vol. 12, No. 365 (C-532), 29 Sep. 1988 & JP-A-63 117038, 21 May 1988, abstract. |