Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852343 | Method of operating anti-icing valve | Kimball J. Rumford, Douglass S. Youd | 1989-08-01 |
| 4831819 | Anti-icing valve | Kimball J. Rumford, Douglass S. Youd | 1989-05-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852343 | Method of operating anti-icing valve | Kimball J. Rumford, Douglass S. Youd | 1989-08-01 |
| 4831819 | Anti-icing valve | Kimball J. Rumford, Douglass S. Youd | 1989-05-23 |