Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7158605 | Head assembly | Alexander W. Harkness, Gregory E. Gontis | 2007-01-02 |
| 6639960 | Method of retrofitting a reactor pressure vessel head assembly | Alexander W. Harkness, Robert L. Keller | 2003-10-28 |