Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10820109 | Diaphragm arrangement for a planar dynamic sound transducer, and methods to produce therefor | — | 2020-10-27 |
| 10455329 | Planar dynamic transducer | — | 2019-10-22 |
| 9635465 | Planardynamic transducer | — | 2017-04-25 |
| 5450286 | Printed circuit having a dielectric covercoat | Robert D. Cyr | 1995-09-12 |
| 4931134 | Method of using laser routing to form a rigid/flex circuit board | Zvi Hatkevitz, Ken Maylor | 1990-06-05 |
| 4851613 | Flexible circuit laminate for surface mount devices | — | 1989-07-25 |
| 4822903 | Fluorinated silica catalyst and preparation of aromatic/aliphatic nitriles in the presence thereof | Michel Reppelin, Laurent Seigneurin | 1989-04-18 |
| 4704374 | Novel spheroidal silica particulates | — | 1987-11-03 |
| 4514511 | Preparation of spheroidal alumina particulates | Thierry Dupin | 1985-04-30 |
| 4504595 | Fluorinated silica catalyst and preparation of aromatic/aliphatic nitriles in the presence thereof | Michel Reppelin, Laurent Seigneurin | 1985-03-12 |
| 4438042 | Preparation of aromatic/aliphatic nitriles | Michel Reppelin, Laurent Seigneurin | 1984-03-20 |
| 4436669 | Preparation of aromatic/aliphatic nitriles | Michel Reppelin, Laurent Seigneurin | 1984-03-13 |
| 4315839 | Spheroidal alumina particulates having bifold porosity and process for their preparation | Gilbert Bouge, Regis Poisson, Laurent Seigneurin | 1982-02-16 |
| 4273735 | Production of spheroidal alumina shaped articles | Regis Poisson | 1981-06-16 |