Powers, Jr.; John R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Powers, Jr.; John R..The latest application filed is for "electrical injury protection system using radio frequency transmission".
- Powers, Jr.; John R. - Morgantown WV
| Patent | Date |
|---|---|
| Jam detection and safety device for jamming machinery Grant 7,493,854 - Etherton , et al. February 24, 2 | 2009-02-24 |
| Electrical injury protection system using radio frequency transmission Grant 6,897,783 - Zeng , et al. May 24, 2 | 2005-05-24 |
| Electrical injury protection system using radio frequency transmission App 20030011484 - Zeng, Shengke ; et al. | 2003-01-16 |
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