Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365902 | Wire matrix print head | Horst H. Biedermann, Ferdinand Hermann, Emil L. F. Sereinigg | 1982-12-28 |
| 4248823 | Method of making ink jet print head | Leonhard Bader, Frank Giessner, Friedrich B. Rombach, Wilhelm Ruprich, Helmut Weber +1 more | 1981-02-03 |