Dondelewski; Michael A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dondelewski; Michael A..The latest application filed is for "process for the beneficiation of carbonous materials with the aid of ultrasound".
- Dondelewski; Michael A. - Columbus OH
| Patent | Date |
|---|---|
| Process for the beneficiation of carbonous materials with the aid of ultrasound Grant 4,391,608 - Dondelewski July 5, 1 | 1983-07-05 |
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