Number | Name | Date | Kind |
---|---|---|---|
2864221 | Jones, Jr. et al. | Dec 1958 | |
3580120 | Adams et al. | May 1971 | |
3808927 | Neil | May 1974 | |
3868917 | Arfert | Mar 1975 | |
4317399 | Romagnoli | Mar 1982 | |
4913307 | Takata et al. | Apr 1990 | |
5118002 | Sugiyama et al. | Jun 1992 |
Number | Date | Country |
---|---|---|
405 365 A1 | Jan 1991 | EPX |
792 086 | Mar 1958 | GBX |
Entry |
---|
Patent Abstracts of Japan, vol. 013, No. 090 (M-803), JP 63 281908 (Nov. 18, 1988). |