Hume, John D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hume, John D..The latest application filed is for "ultra fine fly ash and a system for collecting the same".
- Hume, John D. - New Albany OH
| Patent | Date |
|---|---|
| Ultra fine fly ash and a system for collecting the same App 20030056700 - Hume, John D. ; et al. | 2003-03-27 |
| Electrostatic precipitator Grant 6,447,580 - Ridgeway , et al. September 10, 2 | 2002-09-10 |
| Electrostatic precipitator App 20020029690 - Ridgeway, Russel F. ; et al. | 2002-03-14 |
| Filler material mixture App 20020023537 - Ridgeway, Russel F. ; et al. | 2002-02-28 |
| Lightweight filler material App 20020011184 - Ridgeway, Russel F. ; et al. | 2002-01-31 |
| Ultra fine fly ash and a system for collecting the same App 20010015159 - Hume, John D. ; et al. | 2001-08-23 |
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