Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759934 | Proportionally-controllable solenoid actuator | Raul A. Bircann, Melissa Bargmann | 2004-07-06 |
| 6729351 | Expanded range multiple-stage metering valve | Raul A. Bircann | 2004-05-04 |