Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385985 | High latent circuit with heat recovery device | Ruddy C. Bussjager, James M. McKallip | 2002-05-14 |
| 5992160 | Make-up air energy recovery ventilator | Ruddy C. Bussjager, James M. McKallip | 1999-11-30 |
| 5622057 | High latent refrigerant control circuit for air conditioning system | Ruddy C. Bussjager, James M. McKallip | 1997-04-22 |
| 5016706 | Heat exchanger tube support | Ben P. Dimarco, Ralph J. Tolone | 1991-05-21 |
| 4202409 | One piece top cover with stamped open louvers and motor mount | Peter L. Cann, Richmond S. Hayes, Jr. | 1980-05-13 |