Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6942552 | Disc repair system | William Doherty, John Doherty | 2005-09-13 |
| 6726527 | Automatic disc repair system | William Doherty, John Doherty | 2004-04-27 |
| 6638149 | Disc repair system | William Doherty, John Doherty | 2003-10-28 |