Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133451 | Protective coin holder | Bruce D. Boyd, Barbara A. Metz, Karen L. Rosen, Richard D. Rosen, Alex Bally +1 more | 1992-07-28 |
| 5011005 | Protective coin holder | Bruce D. Boyd, Barbara A. Metz, Karen L. Rosen, Richard D. Rosen, Alex Bally +1 more | 1991-04-30 |
| 4480666 | Material splitter | Michael D. Milosh | 1984-11-06 |