Number | Date | Country | Kind |
---|---|---|---|
3633181 | Sep 1986 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3229104 | Rutz | Jan 1966 | |
3914137 | Huffman et al. | Oct 1975 | |
4040078 | Eckton, Jr. et al. | Aug 1977 | |
4275404 | Cassiday et al. | Jun 1981 |
Number | Date | Country |
---|---|---|
0150929 | Aug 1985 | EPX |
3233177 | Jun 1983 | DEX |
2228303 | Nov 1974 | FRX |
Entry |
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