Number | Date | Country | Kind |
---|---|---|---|
5-340793 | Dec 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3476402 | Wilfert | Nov 1969 | |
3752501 | Daniel et al. | Aug 1973 |
Number | Date | Country |
---|---|---|
2114201 | Jun 1972 | FRX |
2248393 | Apr 1973 | DEX |
3833888 | Apr 1990 | DEX |
4305050 | Sep 1993 | DEX |
132444 | May 1989 | JPX |
Entry |
---|
Patent Abstracts Of Japan, vol. 13, No. 380 (M-863), Aug. 23, 1989 Nippon Plast Co., Ltd., Pat: A 1132444, Pat. Date: May 24, 1989. |