Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9122920 | Digital manifold gauge with integral pressure-temperature algorithms and rotatable display means | Juan Saluzzio, Michael Pruszynski, Hung Luu, Karl Russell | 2015-09-01 |
| 9043161 | Modular system and methodology for testing and measurement | Edward Jeffers | 2015-05-26 |
| 8978394 | Convertible refrigerant recovery, recycle, and recharge system | Richard Koldewey, Juan Saluzzio | 2015-03-17 |
| 8555701 | Enhanced metal oxide gas sensor | — | 2013-10-15 |
| 8082750 | Device for automatic processing of contaminated refrigerant from an air conditioning system | Edward Jeffers, Richard Koldewey | 2011-12-27 |
| 7716990 | Portable electroluminescent diagnostic gauge | — | 2010-05-18 |
| 5264833 | Automatic leak detector | Edward Jeffers | 1993-11-23 |
| 4488118 | Halogen gas leak detector | Edward Jeffers, R. Philip McLeroy | 1984-12-11 |