Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11632917 | Drip irrigation hose with outboard parallel inlets | Michael DeFrank, Ajit Bhavarlal Jain, Aric Olson | 2023-04-25 |
| 9403331 | Apparatus and method of manufacturing pressure compensator type drip irrigation tubes with desired molecular orientation and tubes obtained thereby | Michael DeFrank | 2016-08-02 |
| 9027856 | Apparatus and method of manufacturing pressure compensator type drip irrigation tubes with desired molecular orientation and tubes obtained thereby | Michael DeFrank | 2015-05-12 |