| Number | Name | Date | Kind |
|---|---|---|---|
| D237503 | Langmack, Jr. et al. | Nov 1975 | |
| D249870 | Tillander | Oct 1978 | |
| D295012 | Gelber | Apr 1988 | |
| D321647 | Oldorf | Nov 1991 | |
| 4822175 | Barnard et al. | Apr 1989 | |
| 5533797 | Gelber | Jul 1996 | |
| 5957577 | Dickson et al. | Sep 1999 |
| Entry |
|---|
| Vita-Mix Corporation "Atmosphere Control" advertisement. 1 page, (undated). |
| K-TEC Commerical Products "K-TEC Commerical" publication, 2 pages (Dec. 25, 1996). |