Number | Name | Date | Kind |
---|---|---|---|
3896562 | Zimmerman | Jul 1975 | |
4043051 | Lussenden | Aug 1977 | |
4392310 | Hohman et al. | Jul 1983 | |
4914834 | Sime | Apr 1990 | |
5167081 | Loyns | Dec 1992 | |
5243767 | Stein | Sep 1993 | |
5893218 | Hunter et al. | Apr 1999 |
Entry |
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Wenger Bulletin “Wenger Cascade Dryer”, No. CD699 (1999), Wenger Manufacturing, Inc. |