Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873844 | Method and apparatus for the production of textile strip | Bertram Frenzel, Dietmar Grenzendorfer, Heinz Kemter, Wolfgang Wunsch | 1989-10-17 |
| 4841747 | Warp-knitting machine, especially sewing-knitting machine, and method for the production of warp-knit fabric with oblique and diagonal filling threads | Bertram Frenzel, Dietmar Grenzendorfer, Heinz Kemter, Wolfgang Wuensch | 1989-06-27 |