Number | Name | Date | Kind |
---|---|---|---|
817977 | Leibert | Apr 1906 | |
2026280 | Kerin | Dec 1935 | |
2192150 | Pierce et al. | Feb 1940 | |
2689417 | Bernstein | Sep 1954 | |
3487563 | Austin | Jun 1970 | |
4723366 | Hagger | Feb 1988 |
Number | Date | Country |
---|---|---|
0061715 | Oct 1982 | EPX |
2851535 | Apr 1980 | DEX |
Entry |
---|
United Kingdom Application 2115683A, Sep.-1983. |