Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087422 | Wickbold combustion apparatus and kit for this apparatus | Hans-Jochen Friese | 1992-02-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087422 | Wickbold combustion apparatus and kit for this apparatus | Hans-Jochen Friese | 1992-02-11 |