Freitas, Jr.; Walter C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Freitas, Jr.; Walter C..The latest application filed is for "spatial filtering technique".
- Freitas, Jr.; Walter C. - Fortaleza BR
- Freitas, JR.; Walter C. - Fortaleza-CE BR
| Patent | Date |
|---|---|
| Spatial filtering technique Grant 11,171,697 - Fodor , et al. November 9, 2 | 2021-11-09 |
| Spatial Filtering Technique App 20200350962 - Fodor; Gabor ; et al. | 2020-11-05 |
| Method and apparatus for adaptive cancellation of external interference Grant 9,148,244 - Normando , et al. September 29, 2 | 2015-09-29 |
| Method And Apparatus For Adaptive Cancellation Of External Interference App 20140036790 - NORMANDO; Paulo G. ; et al. | 2014-02-06 |
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