Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10143954 | Filter chambers and self-cleaning apparatus for vacuum systems | — | 2018-12-04 |
| 9677991 | Sand and dust environmental testing system | Daniel A. Lehman | 2017-06-13 |
| 9555357 | Filter chambers and self-cleaning apparatus for vacuum systems | — | 2017-01-31 |
| 8888880 | Vacuum loader | Brian McGinnis | 2014-11-18 |
| 8771408 | Range hood with liquid filter | Daniel A. Lehman | 2014-07-08 |
| 8733186 | Sand and dust environmental testing system | Daniel A. Lehman | 2014-05-27 |
| 8684442 | Hand-detachable portable cycle windshield with unobscured field of view | — | 2014-04-01 |
| 8012249 | Range hood with liquid filter | Daniel A. Lehman | 2011-09-06 |