Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495811 | Induction heating device and method, and processor | Werner Nitsche, Friedrich Stumpf | 2002-12-17 |
| 6325474 | Device for writing on thermographic material | Leo Oelbrandt, Friedrich Stumpf, Thomas Zehetmaier, Ivan Hoogmartens, Luc Leenders +3 more | 2001-12-04 |
| 5041867 | Transport device for microfilm passage camera | Karl-Heinz Dietrich, Peter Griessner | 1991-08-20 |
| 4998136 | Continuous microfilming apparatus | Karl-Heinz Dietrich, Peter Griessner, Hans-Georg Schepers | 1991-03-05 |
| 4731639 | Microfilm pickup camera with marking means for screened originals | Walter Gutmann, Gerhard Schreiner, Wilfried Hofmann, Traugott Liermann, Klaus Schiessl | 1988-03-15 |