Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9861420 | Force dissipating impactor device | Daren L. Deffenbaugh, Edmund W. Frazee | 2018-01-09 |
| 8603099 | Force dissipating impactor device | Daren L. Deffenbaugh, Edmund W. Frazee | 2013-12-10 |