| Number | Name | Date | Kind |
|---|---|---|---|
| 3057730 | Morck | Oct 1962 | |
| 3508926 | Werbin et al. | Apr 1970 | |
| 3647480 | Cermak | Mar 1972 | |
| 3671264 | Drews et al. | Jun 1972 | |
| 3796814 | Cermak | Mar 1974 | |
| 3917858 | Bos | Nov 1975 | |
| 4016337 | Hsu | Apr 1977 | |
| 4112125 | Chesnut et al. | Sep 1978 | |
| 4260637 | Rispoli et al. | Apr 1981 |
| Entry |
|---|
| Matz Bakery Technology & Engineering, 2nd ed., 1972, Avi: Westport, Conn., pp. 237-239. |