Number | Date | Country | Kind |
---|---|---|---|
55-136609 | Sep 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3611102 | Leenhouts | Oct 1971 | |
3771477 | Conner | Nov 1973 | |
3783253 | Anderson et al. | Jan 1974 | |
3882368 | Carleton | May 1975 | |
4027222 | Leenhouts | May 1977 | |
4092720 | Carey | May 1978 | |
4199814 | Rapp et al. | Apr 1980 | |
4424569 | Imazeki et al. | Jan 1984 |
Number | Date | Country |
---|---|---|
2644596 | Apr 1977 | DEX |
2019039 | Apr 1979 | GBX |
Entry |
---|
European Search Report completed Jun. 16, 1983, The Hague. |