Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385985 | High latent circuit with heat recovery device | Ruddy C. Bussjager, Lester N. Miller | 2002-05-14 |
| 5992160 | Make-up air energy recovery ventilator | Ruddy C. Bussjager, Lester N. Miller | 1999-11-30 |
| 5622057 | High latent refrigerant control circuit for air conditioning system | Ruddy C. Bussjager, Lester N. Miller | 1997-04-22 |
| 5511386 | Adjustable pitch condensate drain with integral overflow | JEFFREY RUSS | 1996-04-30 |