Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817846 | Gas compressor and method with improved valve assemblies | — | 2004-11-16 |
| 6712363 | Compression ring sealing device with end gap control and a method of manufacturing same | Larry A. Schnautz | 2004-03-30 |