Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5140667 | Electric steam humidifier for mounting on the horizontal bottom wall or vertical side wall of an air duct of a forced air furnace | — | 1992-08-18 |
| 5075047 | Spray pad humidifier | — | 1991-12-24 |
| D320072 | Humidifier | — | 1991-09-17 |
| 5044555 | Self-cleaning solenoid controlled water spray nozzle and valve assembly | Richard Colberg | 1991-09-03 |