Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7481108 | Rotatable member with an annular groove for dynamic balancing during rotation | John O'Connor, Russel Hugh Marvin | 2009-01-27 |
| 7305905 | Rotatable member with an annular groove for dynamic balancing during rotation | Russel Hugh Marvin, John O'Connor | 2007-12-11 |
| 7052184 | Bearing sleeve and method of making | Edwin Chadwick, Carey L. Linkovich, Russel Hugh Marvin, John O'Connor | 2006-05-30 |