Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887018 | Chuck for annular core bit | — | 2005-05-03 |
| 6887372 | Portable drilling water filter with self-cleaning system | Harald Streicher, Franz Wenzl | 2005-05-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887018 | Chuck for annular core bit | — | 2005-05-03 |
| 6887372 | Portable drilling water filter with self-cleaning system | Harald Streicher, Franz Wenzl | 2005-05-03 |