Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622365 | Pinch quill, apparatus, and film winding method | Stephen North | 2003-09-23 |
| 6491246 | Pinch spools one-time use cameras apparatus and methods | Stephen North | 2002-12-10 |