Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334004 | Compressor or turbine type rotary machine for compressing or expanding a dangerous gas | Paul Lefevre | 1994-08-02 |
| 5143511 | Regenerative centrifugal compressor | Barry Dittler | 1992-09-01 |