Number | Date | Country | Kind |
---|---|---|---|
8725669 | Nov 1987 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
884150 | Hardsoog | Apr 1908 | |
2097030 | Killgore | Oct 1937 | |
3143177 | Galorneau et al. | Aug 1964 | |
4073354 | Rowley et al. | Feb 1978 | |
4109737 | Bovenkerk | Aug 1978 | |
4200159 | Peschel et al. | Apr 1980 | |
4397363 | Fuller | Aug 1983 | |
4453775 | Clemmow | Jun 1984 | |
4529048 | Hall | Jul 1985 | |
4570725 | Matthias et al. | Feb 1986 | |
4655508 | Tomlinson | Apr 1987 | |
4724913 | Morris | Feb 1988 | |
4781256 | Wardley | Nov 1988 | |
4782903 | Strange | Nov 1988 |
Number | Date | Country |
---|---|---|
2056381 | May 1972 | DEX |
2849711 | Jun 1979 | DEX |
391259 | Jul 1973 | SUX |
582399 | Nov 1977 | SUX |
Entry |
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MEGAdiamond brochure dated Oct. 6, 1981, four pages. "MEGAdiamond Announces a Unique Service". |