Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10370813 | Water control apparatus | Henry K. Obermeyer, Robert D. Eckman | 2019-08-06 |
| 9765495 | Water control apparatus | Henry K. Obermeyer, Robert D. Eckman | 2017-09-19 |
| 9028170 | Water control apparatus | Henry K. Obermeyer, Robert D. Eckman | 2015-05-12 |
| 8511937 | Water control apparatus | Henry K. Obermeyer, Robert D. Eckman | 2013-08-20 |