Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499958 | Device and method for detachably connecting an impeller to a pinion shaft in a high speed fluid compressor | Ronald L. Haugen, Gary Owens | 2002-12-31 |
| 6254349 | Device and method for detachably connecting an impeller to a pinion shaft in a high speed fluid compressor | Ronald L. Haugen, James Pierce | 2001-07-03 |