Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594876 | Apparatus for forming the stitch forming area of a sewing machine throat plate | Robert Zorn | 1986-06-17 |
| 4430878 | Method for forming the stitch forming area of a sewing machine throat plate | Robert Zorn | 1984-02-14 |