Number | Date | Country | Kind |
---|---|---|---|
3538385 | Oct 1985 | DEX | |
3544798 | Dec 1985 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
1864973 | Buchanan | Jun 1932 | |
3942727 | Fahlstrom et al. | Mar 1976 | |
4592512 | Grigel et al. | Jun 1986 |
Number | Date | Country |
---|---|---|
0084383 | Apr 1983 | EPX |
1281817 | Oct 1968 | DEX |
220510 | Apr 1985 | DEX |
3337615 | Apr 1985 | DEX |
Entry |
---|
Tandem Grinding Drying System, 1977. |