Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266933 | Rotary dental polishing apparatus | Eugene W. Lewis | 1981-05-12 |
| 4259071 | Dental polishing cup for use with a rotary dental hand piece | Eugene W. Lewis | 1981-03-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266933 | Rotary dental polishing apparatus | Eugene W. Lewis | 1981-05-12 |
| 4259071 | Dental polishing cup for use with a rotary dental hand piece | Eugene W. Lewis | 1981-03-31 |