Wolfrum; Erhard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wolfrum; Erhard.The latest application filed is for "apparatus for preparing samples from a flow of bulk material".
- Wolfrum; Erhard - Duren-Birgel DE
- Wolfrum; Erhard - Duren DE
| Patent | Date |
|---|---|
| Apparatus for preparing samples from a flow of bulk material Grant 4,930,359 - Wolfrum , et al. June 5, 1 | 1990-06-05 |
| Process for removing noxious substances containing fluorine and/or sulfur from gaseous or liquid media Grant 4,450,777 - Wolfrum , et al. May 29, 1 | 1984-05-29 |
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