Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860592 | Variable-air-volume diffuser with independent ventilation air assembly and method | Robert Hunka, James R. Kline | 1999-01-19 |
| 5673851 | Variable-air-volume diffuser with induction air assembly and method | Robert Hunka, James R. Kline | 1997-10-07 |