Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800035 | Golf club swing trainer | — | 2004-10-05 |
| 5611468 | Folding device for an automatic sewing machine | Wolfram Schulze, Wolfgang Grosser, Herbert Zielinski | 1997-03-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800035 | Golf club swing trainer | — | 2004-10-05 |
| 5611468 | Folding device for an automatic sewing machine | Wolfram Schulze, Wolfgang Grosser, Herbert Zielinski | 1997-03-18 |