Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335738 | Tools for percussive and rotary crushing rock drilling provided with a diamond layer | Mats Waldenstrom, Lars H. Hillert, Mahlon D. Dennis | 1994-08-09 |
| 5333520 | Method of making a cemented carbide body for tools and wear parts | Jan Akerman, Bengt Asberg, Stig Lagerberg | 1994-08-02 |
| 5286549 | Cemented carbide body used preferably for abrasive rock drilling and mineral cutting | E. Torbjorn Hartzell, Jan Akerman | 1994-02-15 |
| 5279901 | Cemented carbide body with extra tough behavior | Jan Akerman, E. Torbjorn Hartzell | 1994-01-18 |