Number | Date | Country | Kind |
---|---|---|---|
4-061435 | Feb 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2796075 | Focht | Jun 1957 | |
3447636 | Bonfilio | Jun 1969 | |
4286632 | Abel | Sep 1981 | |
4697553 | Lie | Oct 1987 | |
4887559 | Hensel et al. | Dec 1989 | |
4967700 | Torigai | Nov 1990 | |
5020484 | Ishikawa | Jun 1991 | |
5235944 | Adachi | Aug 1993 |
Number | Date | Country |
---|---|---|
949855 | Sep 1956 | DEX |
0016212 | Jan 1982 | JPX |
0096411 | Jun 1984 | JPX |
62-131908 | Jun 1987 | JPX |
1-044711 | Feb 1989 | JPX |
1-92505 | Apr 1989 | JPX |
2-191807 | Jul 1990 | JPX |
2-118110 | Sep 1990 | JPX |
2-118111 | Sep 1990 | JPX |
2-139307 | Nov 1990 | JPX |
Entry |
---|
Patent Abstracts of Japan vol. 9, No. 231 (M-414) (1954) 18 Sep. 1985 and JP-A-60 88 811 (Sanshin Kogyo K.K.) 18 May 1985 *abstrct* and European Search Report dated Mar. 4, 1993. |