Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5873357 | Two piece humidifier for hot air furnace | — | 1999-02-23 |
| 5752498 | Elliptical beam load cell | Brad C. Koelblinger | 1998-05-19 |
| 5546926 | Whole house humidifier for use with hot air heating systems | — | 1996-08-20 |