| Number | Name | Date | Kind |
|---|---|---|---|
| D199832 | Edelman et al. | Dec 1964 | |
| D270100 | Hjalmarsson | Aug 1983 | |
| D274154 | Bondurant | Jun 1984 | |
| D309042 | Renno | Jul 1990 | |
| 516409 | Southwell | Mar 1894 | |
| 3910293 | Lemelson | Oct 1975 | |
| 4846200 | Wiley | Jul 1989 | |
| 5050625 | Siekmann | Sep 1991 |
| Entry |
|---|
| Premier, ESPE-Premier Product Catalog, pp. 4, 10, 29, and I-1 through I-53. |
| Veratex Product Catalog, pp. 41, 75, 78 and 172 showing various dental instruments (undated) admitted prior art see paper #5 Dec. 2, 1993. |