Helfrick; Albert D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Helfrick; Albert D..The latest application filed is for "hot wire anemometer".
- Helfrick; Albert D. - Deland FL
- Helfrick; Albert D. - Kinnelon NJ
- Helfrick; Albert D. - Boonton NJ
| Patent | Date |
|---|---|
| Hot wire anemometer Grant 10,151,772 - Potash , et al. Dec | 2018-12-11 |
| Hot Wire Anemometer App 20160216292 - POTASH; Michael S. ; et al. | 2016-07-28 |
| System And Method For Location Of Aircraft App 20160047880 - Helfrick; Albert D. | 2016-02-18 |
| RF coupler for measuring RF parameters in the near-field Grant 5,278,571 - Helfrick January 11, 1 | 1994-01-11 |
| Frequency synthesis method and apparatus using approximation to provide closely spaced discrete frequencies over a wide range with rapid acquisition Grant 4,940,950 - Helfrick July 10, 1 | 1990-07-10 |
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