Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D258308 | Combined water tank and trough | Christian Haack, Michael Fried | 1981-02-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D258308 | Combined water tank and trough | Christian Haack, Michael Fried | 1981-02-17 |