Ballun; John V.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ballun; John V..The latest application filed is for "air/vacuum valve throttling apparatus".
- Ballun; John V. - Elmhurst IL
- Ballun; John V. - Plainfield IL
| Patent | Date |
|---|---|
| Air/vacuum valve throttling apparatus Grant 5,765,595 - Ballun June 16, 1 | 1998-06-16 |
| Rotatable valve with anti-cavitation structure Grant 4,739,794 - Ballun April 26, 1 | 1988-04-26 |
| Post assembly for buried valve having an above ground actuator Grant 4,708,160 - Sharp , et al. November 24, 1 | 1987-11-24 |
| Post assembly for a buried valve Grant 4,702,275 - Ballun , et al. October 27, 1 | 1987-10-27 |
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