Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324358 | Minimum airflow control | Richard R. Lavassaur | 1982-04-13 |
| 4312474 | Positive shutoff | — | 1982-01-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324358 | Minimum airflow control | Richard R. Lavassaur | 1982-04-13 |
| 4312474 | Positive shutoff | — | 1982-01-26 |