Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9808581 | Plunger retraction for leak prevention in injection device | Jerry A. Marshall, Jr. | 2017-11-07 |
| 9517309 | Control of plunger position in an injection device | Jerry A. Marshall, Jr. | 2016-12-13 |