Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10675830 | Packer device | Steven D. Kay, Jeffrey S. Shapiro, Robert E. Hammerquist | 2020-06-09 |
| 10012247 | Variable booster for hybrid pneumatic regenerative system | Steven D. Kay, Jeffrey S. Shapiro, Robert E. Hammerquist | 2018-07-03 |