Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417966 | Apparatus and method of producing ozone | Rainer Koehne | 1983-11-29 |
| 4290412 | Solar collector and process for its operation | — | 1981-09-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417966 | Apparatus and method of producing ozone | Rainer Koehne | 1983-11-29 |
| 4290412 | Solar collector and process for its operation | — | 1981-09-22 |