Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5784784 | Method of making a refrigeration compressor muffler | Paul J. Flanigan, Thomas S. Katra | 1998-07-28 |
| 5705777 | Refrigeration compressor muffler | Paul J. Flanigan, Thomas S. Katra | 1998-01-06 |
| 5173020 | Collector silencer for a centrifugal compressor | Thomas M. Zinsmeyer, Edson H. Byrns | 1992-12-22 |
| 5007499 | Silencer for a centrifugal compressor | Donald G. Neville | 1991-04-16 |