Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694870 | Sewing machine with material cutting rolls | Charles Zimmerman, Anatoly Berdichevsky | 1997-12-09 |
| 5647292 | Sewing apparatus with turntable for holding fabric | Charles Zimmerman | 1997-07-15 |