Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133451 | Protective coin holder | Robert J. Geoghegan, Barbara A. Metz, Karen L. Rosen, Richard D. Rosen, Alex Bally +1 more | 1992-07-28 |
| 5011005 | Protective coin holder | Robert J. Geoghegan, Barbara A. Metz, Karen L. Rosen, Richard D. Rosen, Alex Bally +1 more | 1991-04-30 |