WILLIAMS; Percival Frederick
Patent Applications and Registrations
Patent applications and USPTO patent grants for WILLIAMS; Percival Frederick.The latest application filed is for "rapid magnetic hotspot detector".
- WILLIAMS; Percival Frederick - Cheltenham GB
| Patent | Date |
|---|---|
| Rapid Magnetic Hotspot Detector App 20170299666 - WILLIAMS; Percival Frederick | 2017-10-19 |
| Well detection using induced magnetic fields Grant 9,529,111 - Williams December 27, 2 | 2016-12-27 |
| Well Detection Using Induced Magnetic Fields App 20160291193 - Williams; Percival Frederick | 2016-10-06 |
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