Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375950 | Tool and tool holder for manually operated tools | Werner Kleine | 1994-12-27 |
| 5326199 | Tool bit and tool bit chuck for manually operated tools | Werner Kleine | 1994-07-05 |
| 5296330 | Positive photoresists containing quinone diazide photosensitizer, alkali-soluble resin and tetra(hydroxyphenyl) alkane additive | Norbert Munzel, Martin Roth, Wilhelm Knobloch | 1994-03-22 |