Number | Date | Country | Kind |
---|---|---|---|
2-208919 | Aug 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1434190 | Bird | Oct 1922 | |
1796781 | Fullman | Mar 1931 | |
3670383 | Gavrun | Jun 1972 | |
4142396 | Deveney et al. | Mar 1979 | |
4586360 | Jurgensmeyer | May 1986 | |
4876876 | Ishida | Oct 1989 |
Number | Date | Country |
---|---|---|
2227806 | Dec 1973 | DEX |
3813353A1 | Nov 1989 | DEX |
2368318 | May 1978 | FRX |
1433616 | Oct 1988 | SUX |
1253072 | Nov 1971 | GBX |
Entry |
---|
Abstract of Japanese Appln. No. 59-209443(A), dated Nov. 28, 1984. |