Number | Date | Country | Kind |
---|---|---|---|
57-217725 | Dec 1982 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
494492 | Schofield | Mar 1893 | |
1370268 | Batchelder | Mar 1921 | |
1876633 | Desautels | Mar 1928 | |
3279718 | Arterton et al. | Oct 1966 | |
3647126 | Dieterich et al. | Mar 1972 | |
4120717 | Rost | Oct 1978 | |
4159807 | Honsel et al. | Jul 1979 | |
4457802 | Yanagihara | Jul 1984 |
Entry |
---|
WO83/00838, Sumitomo Rubber, 3/1983. |