Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520423 | Modular sand and dust environmental testing system | — | 2019-12-31 |
| 9677991 | Sand and dust environmental testing system | Daniel P. Lehman | 2017-06-13 |
| 8771408 | Range hood with liquid filter | Daniel P. Lehman | 2014-07-08 |
| 8733186 | Sand and dust environmental testing system | Daniel P. Lehman | 2014-05-27 |
| 8012249 | Range hood with liquid filter | Daniel P. Lehman | 2011-09-06 |