| Number | Name | Date | Kind |
|---|---|---|---|
| D341316 | Fritz et al. | Nov 1993 | |
| D346554 | Krupa | May 1994 | |
| D352000 | Hansen et al. | Nov 1994 | |
| 3690902 | Dahl | Sep 1972 | |
| 4197940 | De Rossett | Apr 1980 | |
| 4375862 | Kurinsky et al. | Mar 1983 | |
| 4741452 | Holzkopf | May 1988 | |
| 4867303 | Beckerman et al. | Sep 1989 | |
| 4874083 | Antoni et al. | Oct 1989 |
| Entry |
|---|
| Thermalene catlog, 1980, front page. |