Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9877571 | Articulated front accessible backpack | Paul R. Vierthaler, Catherine R. Vierthaler | 2018-01-30 |
| 9282806 | Articulated front accessible backpack | Paul R. Vierthaler, Catherine R. Vierthaler | 2016-03-15 |
| 8887976 | Articulated front accessible backpack | Paul R. Vierthaler, Catherine R. Vierthaler | 2014-11-18 |