Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617928 | Elements faced with superhard material | John M. Fuller, Nigel Dennis Griffin | 1997-04-08 |
| 5611649 | Elements faced with superhard material | — | 1997-03-18 |
| 5590728 | Elements faced with superhard material | Nigel Dennis Griffin, John M. Fuller | 1997-01-07 |