Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290153 | Method and apparatus for generating a controlled current flow and waves in a water pool | Erhard Kockerols | 1981-09-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290153 | Method and apparatus for generating a controlled current flow and waves in a water pool | Erhard Kockerols | 1981-09-22 |