Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875907 | Thermally stable diamond abrasive compact body | Cornelius Phaal | 1989-10-24 |
| 4872333 | Wire drawing die | — | 1989-10-10 |
| 4861350 | Tool component | Cornelius Phaal | 1989-08-29 |
| 4821465 | Abrasive tool | Peter N. Tomlinson, Klaus Tank | 1989-04-18 |
| 4802895 | Composite diamond abrasive compact | Kenneth A. MacKenzie | 1989-02-07 |