Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5213453 | Cooling systems in tapping attachments suitable for high pressure applications | — | 1993-05-25 |
| 5195624 | Arrangement in screw thread cutting apparatus | — | 1993-03-23 |
| 5174424 | Arrangement in screw thread cutting apparatus | — | 1992-12-29 |
| 4832542 | Clutching means adapted for tapping attachment | Allan S. Johnson | 1989-05-23 |
| 4390310 | Tapping attachment | — | 1983-06-28 |