Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4958064 | Bar code locator for video scanner/reader system | — | 1990-09-18 |
| 4499035 | Gas-liquid contacting tray with improved inlet bubbling means | David W. Weiler | 1985-02-12 |
| 4275021 | Gas-liquid contacting tray with improved inlet bubbling means | David W. Weiler | 1981-06-23 |