Number | Name | Date | Kind |
---|---|---|---|
3941485 | Madden | Mar 1976 | |
4071298 | Falconer | Jan 1978 | |
4421860 | Elings et al. | Dec 1983 | |
4529306 | Kilham et al. | Jul 1985 | |
4537861 | Elings et al. | Aug 1985 | |
4560881 | Briggs | Dec 1985 | |
4564598 | Briggs | Jan 1986 | |
4643573 | McLachlan et al. | Feb 1987 | |
4676640 | Briggs | Jun 1987 | |
4707134 | McLachlan et al. | Nov 1987 | |
4753530 | Knight et al. | Jun 1988 |
Number | Date | Country |
---|---|---|
1506017 | Apr 1978 | GBX |
Entry |
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Abstract of Japanese Patent Appln. No. 84230306. |
PCT Patent Appln. Publication No. WO85/05680, published Dec. 19, 1985. |