Number | Date | Country | Kind |
---|---|---|---|
234172 | Jun 1990 | NZX | |
236097 | Nov 1990 | NZX |
Number | Name | Date | Kind |
---|---|---|---|
2442886 | Bowen | Jun 1948 | |
2444631 | Chace | Jul 1948 | |
3707856 | Niewyk et al. | Jan 1973 | |
4267711 | Kolze | May 1991 | |
4322031 | Gehlert | Mar 1982 | |
4330081 | McMillan | May 1982 | |
4406401 | Nettro | Sep 1983 | |
4643350 | DeSchaaf et al. | Feb 1987 | |
4978058 | Duncan et al. | Dec 1990 |
Number | Date | Country |
---|---|---|
3023355 | Jan 1982 | DEX |
Entry |
---|
118,167 Sep. 1984, EP (European Patent Application). |