Number | Date | Country | Kind |
---|---|---|---|
10-069470 | Mar 1998 | JP |
Number | Name | Date | Kind |
---|---|---|---|
574577 | Royle | Jan 1897 | A |
1689907 | Allen | Oct 1928 | A |
1797183 | Wetmore et al. | Mar 1931 | A |
2756801 | Iknayan et al. | Jul 1956 | A |
2782829 | Peterson et al. | Feb 1957 | A |
3903947 | Emerson | Sep 1975 | A |
4090546 | Toshio et al. | May 1978 | A |
4895610 | Egan | Jan 1990 | A |
Number | Date | Country |
---|---|---|
795428 | Sep 1997 | EP |
0818302 | Jan 1998 | EP |
708800 | May 1954 | GB |
748117 | Apr 1956 | GB |
Entry |
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Patent Abstract of Japan, vol. 005, No. 087 (M-072), Jun. 6, 1981, Sumitomo Rubber Ind Ltd. |