Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7984911 | Face seal for gas turbine engine | Louis J. Dobek, Masayoshi Sonokawa, Harold K. Shaffer | 2011-07-26 |
| 7946590 | Face seal for gas turbine engine | Louis J. Dobek, Harold K. Shaffer | 2011-05-24 |
| 5957664 | Gas pulsation dampener for positive displacement blowers and compressors | Jack L. Stolz | 1999-09-28 |