Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7231984 | Gripping insert and method of gripping a tubular | — | 2007-06-19 |
| 4976138 | Measuring arrangement for determining the liquid absorption of paper | Norbert Benninghoff, Jaroslav Melzer, Gunter Niesar, Werner Schuster | 1990-12-11 |