Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139477 | Process for producing slots, grooves, and planar excavations | Ulrich Bechem, Philip Bechem | 2000-10-31 |
| 5685615 | Eccentrically driven percussive tools for treating materials | Ulrich Bechem, Philip Bechem | 1997-11-11 |
| 4796713 | Activated earth drill | Ulrich Bechem, Philip Bechem | 1989-01-10 |