Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6347784 | Limited-rotation valve-control knob with override | Hartwig Philipps-Liebich | 2002-02-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6347784 | Limited-rotation valve-control knob with override | Hartwig Philipps-Liebich | 2002-02-19 |