Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243007 | Polymers based on vinyl chloride prepared by mass polymerization | Yves Legrand | 1993-09-07 |
| 4868255 | Process for preparing vinyl chloride polymers by mass polymerization with spherical vessel | Yves Legrand | 1989-09-19 |
| 4665330 | Step motor particularly for electronic timepieces | — | 1987-05-12 |
| 4518884 | Step motor particularly for electronic timepieces | — | 1985-05-21 |
| 4429706 | Safety device for gas-fired heating apparatus | Bernard Weichlein, Denis Gaihier | 1984-02-07 |
| 4299935 | Process for bulk polymerization | — | 1981-11-10 |