Number | Date | Country | Kind |
---|---|---|---|
2001-293570 | Sep 2001 | JP |
Number | Name | Date | Kind |
---|---|---|---|
2610657 | Kickhaefer | Sep 1952 | A |
2912966 | Mitchell | Nov 1959 | A |
4658775 | Greenwood et al. | Apr 1987 | A |
5813088 | Wagner et al. | Sep 1998 | A |
Number | Date | Country |
---|---|---|
S59-19975 | Feb 1984 | JP |
Entry |
---|
Patent Abstracts of Japan, Publication No. 2001-132591; Date of Publication of Application: 15:05:2001. |
Japanese Utility Model Publication H2-48695—Claim. |
Japanese Utility Model Unexamined Publication S57-184264—Claim. |