Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4547326 | Gas liquid contacting tray | — | 1985-10-15 |
| 4499035 | Gas-liquid contacting tray with improved inlet bubbling means | Robert D. Kirkpatrick | 1985-02-12 |
| 4275021 | Gas-liquid contacting tray with improved inlet bubbling means | Robert D. Kirkpatrick | 1981-06-23 |