Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340363 | Orthodontic rotation wedge with twist-preventing mounds | Paul E. Klein | 1982-07-20 |
| 4330271 | Orthodontic-dispenser and tool combined with dispensed articles | — | 1982-05-18 |