Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104230 | Device for metering pulverulent materials | Jean-Pierre Douche, Jean-Claude Coulon | 1992-04-14 |
| 4789569 | Process and device for metering pulverulent materials | Jean-Pierre Douche, Jean-Claude Coulon | 1988-12-06 |