Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8850832 | Apparatus and method for installation by unlicensed personnel of a pre-charged, ductless heating/cooling system | David J. Lingrey, Heath James Hoselton, Kevin L. Eicher | 2014-10-07 |
| 8640480 | Room air conditioner and/or heat pump | David J. Lingrey, Kevin L. Eicher, Geethakrishnan Vasudevan, David Sayler, Patrick J. Bush +1 more | 2014-02-04 |