Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900232 | Compressor surge control method | Donald J. Dziubakowski, Marion A. Keyes, IV | 1990-02-13 |
| 4861233 | Compressor surge control system | Donald J. Dziubakowski, Marion A. Keyes, IV | 1989-08-29 |
| 4697980 | Adaptive gain compressor surge control system | Marion A. Keyes, IV | 1987-10-06 |
| 4627788 | Adaptive gain compressor surge control system | Marion A. Keyes, IV | 1986-12-09 |