Number | Name | Date | Kind |
---|---|---|---|
3791917 | Bolton | Feb 1974 | |
4888092 | Prusas et al. | Dec 1989 | |
4964915 | Blixt et al. | Oct 1990 | |
5227024 | Gomez | Jul 1993 | |
5433826 | Glomb et al. | Jul 1995 |
Number | Date | Country |
---|---|---|
961333 | Jan 1975 | CAX |
1964531 | Jul 1971 | DEX |
Entry |
---|
Casey, Pulp and Paper, 3.sup.rd ed (1981) vol. III, pp. 1486, 1487, 1694, 1695. |