Number | Date | Country | Kind |
---|---|---|---|
8400312 | Feb 1984 | NLX |
Number | Name | Date | Kind |
---|---|---|---|
3971700 | Boesten | Jul 1976 | |
4080259 | Boesten et al. | Mar 1978 | |
4443548 | Oshima et al. | Apr 1984 | |
4481362 | Nakai et al. | Nov 1984 | |
4497957 | Nakai et al. | Feb 1985 |
Number | Date | Country |
---|---|---|
0043211 | Jan 1982 | EPX |
2700270 | Jan 1978 | DEX |
Entry |
---|
PCT Publication WO 80/01571, published Aug. 7, 1980, (w/English abstract). |