Liebal, Jr.; Charles J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liebal, Jr.; Charles J..The latest application filed is for "sump junction box".
- Liebal, Jr.; Charles J. - Raleigh NC
| Patent | Date |
|---|---|
| Testable overfill prevention valve Grant 11,061,418 - Higgins , et al. July 13, 2 | 2021-07-13 |
| Sump junction box Grant 10,218,163 - Long , et al. Feb | 2019-02-26 |
| Sump Junction Box App 20170324234 - Long; Daniel Christopher ; et al. | 2017-11-09 |
| Testable Overfill Prevention Valve App 20160370811 - Higgins; Jeromy E. ; et al. | 2016-12-22 |
| Testable overfill prevention valve Grant 9,463,971 - Higgins , et al. October 11, 2 | 2016-10-11 |
| Testable Overfill Prevention Valve App 20130213480 - Higgins; Jeromy E. ; et al. | 2013-08-22 |
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