Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4941240 | Beam warping machine with a device for the maintenance of required yarn tension | Alfred Böhm, Alfred Wirth | 1990-07-17 |
| 4736602 | Warp knitting machine | Alfred Böhm, Adolf Hagel, Rudi Wirth | 1988-04-12 |