Number | Name | Date | Kind |
---|---|---|---|
2833289 | Atkins | May 1958 | |
3359988 | Thomson | Dec 1967 | |
3496945 | Tomkin | Feb 1970 | |
3503406 | Riegel et al. | Mar 1970 | |
3695274 | Summers | Oct 1972 | |
3774622 | Steigerwald | Nov 1973 | |
4273141 | Van Tilburg | Jun 1981 | |
4343319 | Cantrell | Aug 1982 | |
4380241 | Horsewell | Apr 1983 | |
4433696 | Adams | Feb 1984 | |
4526183 | Nichols et al. | Jul 1985 | |
4527573 | Hausermann | Jul 1985 | |
4532943 | Nichols et al. | Aug 1985 | |
4559955 | Brockway et al. | Dec 1985 | |
4570649 | Nichols et al. | Feb 1986 | |
4601298 | Nichols et al. | Jul 1986 |
Number | Date | Country |
---|---|---|
107507 | Oct 1983 | EPX |
Entry |
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The Design of Cigarettes by Colin L. Browne, see pp. 50 and 51, second edition, copyright 1979, 1981 by Celanese Corp. |