Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335738 | Tools for percussive and rotary crushing rock drilling provided with a diamond layer | Udo Fischer, Lars H. Hillert, Mahlon D. Dennis | 1994-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335738 | Tools for percussive and rotary crushing rock drilling provided with a diamond layer | Udo Fischer, Lars H. Hillert, Mahlon D. Dennis | 1994-08-09 |