Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4938269 | Papermaker's felt seam with different loops | Pieter S. Diehl | 1990-07-03 |
| 4939025 | Papermaker's felt with flex joint seam for pin | Pieter S. Diehl | 1990-07-03 |
| 4913947 | Seam for papermaker's felt | Pieter S. Diehl | 1990-04-03 |