Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8657151 | Hand protection barrier dispenser | Catherine C. Tollefson, Judith L. Balkin | 2014-02-25 |
| 8651323 | Hand protection barrier dispenser | Catherine C. Tollefson, Judith L. Balkin | 2014-02-18 |
| 8146776 | Hand protection barrier dispenser | Catherine C. Tollefson, Judith L. Balkin | 2012-04-03 |