Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328719 | Filter and gas vent system incorporated in an ostomy bag | Henri Holtermann, Claude Dumartin | 2001-12-11 |
| 5626569 | Device for venting and controlling the pressure inside a stoma collection bag | Henri Holtermann | 1997-05-06 |
| 4929245 | Safety device for ostomy bag coupling system | Henri Holtermann | 1990-05-29 |
| 4846798 | Two piece ostomy connection device | Henri Holtermann | 1989-07-11 |
| 4834730 | Closure clamp for body waste collecting bag | Henri Holtermann | 1989-05-30 |
| 4391688 | Electrophoresis system for multiple agarose slab gels | — | 1983-07-05 |