Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7976180 | Solar powered rechargeable street light with tamper resistant networkable system | Darrell N. Haun | 2011-07-12 |
| 7978463 | Transportable weatherproof battery power supply and storage for electronic equipment | Darrell N. Haun, Victor Francis Gingles | 2011-07-12 |
| 7880333 | Method for weather resistant portable flow metering | Darrell N. Haun | 2011-02-01 |
| 7843163 | Portable weather resistant enclosure | Darrell N. Haun | 2010-11-30 |
| 7832253 | Portable weather resistant gas chromatograph system | Darrell N. Haun | 2010-11-16 |
| 7795837 | Portable solar power supply trailer with a security containment area and multiple power interfaces | Darrell N. Haun | 2010-09-14 |
| 7750502 | Portable weather resistant flow meter system | Darrell N. Haun | 2010-07-06 |