Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4702182 | Process and apparatus for the injection by pneumatic means of metered amounts of pulverulent materials into a vessel which is under variable pressure | Leon Ulveing, Joseph Linden, Georges Wies, Raymond Mack | 1987-10-27 |