Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10166413 | Controlled descent safety systems and methods | Michael A. Ragsdale, Patrick Thomas Henke | 2019-01-01 |
| 10022570 | Personal escape device with eddy current braking | Benjamin Thomas Krupp, Michael A. Ragsdale, Patrick Thomas Henke, James R. Hendershot | 2018-07-17 |