Helgee; Oskar B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Helgee; Oskar B..The latest application filed is for "process for preparing magnetic polymer particles".
- Helgee; Oskar B. - Monlycke SE
- Helgee; Oskar B. - Molnlycke SE
| Patent | Date |
|---|---|
| Process for preparing magnetic polymer particles Grant 4,774,265 - Ugelstad , et al. * September 27, 1 | 1988-09-27 |
| Magnetic polymer particles and process for the preparation thereof Grant 4,654,267 - Ugelstad , et al. March 31, 1 | 1987-03-31 |
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