Doerbeck; Friedrich H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Doerbeck; Friedrich H..The latest application filed is for "method and systems for characterization and production of high quality silicon".
- Doerbeck; Friedrich H. - Dallas TX US
| Patent | Date |
|---|---|
| Method and Systems for Characterization and Production of High Quality Silicon App 20130112134 - Spencer; David C. ; et al. | 2013-05-09 |
| Methods and Systems for Characterization and Production of High Purity Polysilicon App 20110290173 - Spencer; David C. ; et al. | 2011-12-01 |
| GaAs/GaAlAs Heterojunction bipolar integrated circuit devices Grant 4,573,064 - McLevige , et al. February 25, 1 | 1986-02-25 |
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