Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D512333 | Digital toning instrument | Lars E. Blacken, Wayne S. Hoofnagle, Roger M. Trana | 2005-12-06 |
| D511700 | Tone-generating probe | Wayne S. Hoofnagle, Roger M. Trana | 2005-11-22 |