Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5805935 | Two roller film scroller and method | Joseph E. Yokajty, Joseph A. Watkins | 1998-09-08 |
| 5797045 | Three roller film winder and method | Joseph A. Watkins, Dennis R. Zander | 1998-08-18 |