Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357243 | Remote control system for evaporative coolers | Paul Efron | 2002-03-19 |
| 5031412 | Electronic evaporative cooler controller | Paul Efron | 1991-07-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357243 | Remote control system for evaporative coolers | Paul Efron | 2002-03-19 |
| 5031412 | Electronic evaporative cooler controller | Paul Efron | 1991-07-16 |