Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4467679 | Tool head | Frank Johne, Hans G. Hartkamp | 1984-08-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4467679 | Tool head | Frank Johne, Hans G. Hartkamp | 1984-08-28 |