Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613259 | High frequency electric toothbrush | Adam Craft, Keith E. Schleiffer, James E. Dvorsky, Thomas W. Graves, Ronald B. Gray, III +1 more | 1997-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613259 | High frequency electric toothbrush | Adam Craft, Keith E. Schleiffer, James E. Dvorsky, Thomas W. Graves, Ronald B. Gray, III +1 more | 1997-03-25 |