Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4791842 | Pipe machining apparatus | — | 1988-12-20 |
| 4762038 | Pipe machining apparatus | — | 1988-08-09 |
| 4677884 | Portable end prep lathe | Horst Kwech | 1987-07-07 |
| 4543861 | Portable lathe | Horst Kwech | 1985-10-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4791842 | Pipe machining apparatus | — | 1988-12-20 |
| 4762038 | Pipe machining apparatus | — | 1988-08-09 |
| 4677884 | Portable end prep lathe | Horst Kwech | 1987-07-07 |
| 4543861 | Portable lathe | Horst Kwech | 1985-10-01 |