Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7097455 | Integral gutta percha technique | Kenneth Koch, William D. McHale | 2006-08-29 |
| 7021936 | Integral gutta percha core/cone obturation technique | Kenneth Koch | 2006-04-04 |
| 6371764 | Dental instrument for placing obiturator | — | 2002-04-16 |