Number | Name | Date | Kind |
---|---|---|---|
854720 | Dawson | May 1907 | |
3018852 | Stanton | Jan 1962 | |
4241603 | Han et al. | Dec 1980 | |
4356897 | Urban | Nov 1982 | |
4520661 | Tamai et al. | Jun 1985 |
Number | Date | Country |
---|---|---|
2734786 | Feb 1979 | DEX |
1603741 | Nov 1981 | GBX |
889959 | Dec 1981 | SUX |
Entry |
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3 Drawing Figures Illustrating Prior Art Known to Inventor. |