Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308519 | Tungsten hexaldialkyldithiocarbamates, process for their preparation and oil compositions containing them | Wolfram Spiess, Friedrich H. Franke, Rolf Himmelreich, by Margot M. C. Himmelreich, executor, by Petra Himmelreich, heir | 1994-05-03 |