Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205976 | Method for the manufacture of hollow spherules of synthetic materials | Philippe Chapuis, Mireille Valaud | 1993-04-27 |
| 4722770 | Method for making continuous and closed hollow bodies, hollow bodies so obtained and apparatus for making the hollow spheres | Jean-Pierre Bonino, Abel Rousset, Claude Rossignol, Isabelle V. Gossart | 1988-02-02 |