Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888977 | Method of ascertaining the rate of fluid flow through the ventilation zones of rod-shaped articles of the tobacco processing industry | Firdausia Chehab | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888977 | Method of ascertaining the rate of fluid flow through the ventilation zones of rod-shaped articles of the tobacco processing industry | Firdausia Chehab | 1989-12-26 |