Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11814188 | Fuel drain engagement tool | Jeffery R. Barnes, Patrick Leonard | 2023-11-14 |
| 7942295 | Tool chest/glass rack apparatus | — | 2011-05-17 |
| 6481360 | Ultra fine fly ash and a system for collecting the same | R. F. Ridgeway, J. F. Mainieri | 2002-11-19 |
| 6447580 | Electrostatic precipitator | R. F. Ridgeway, J. F. Mainieri | 2002-09-10 |
| 6398848 | Method of separating a low density fly ash fraction from an overall group of fly ash | R. F. Ridgeway, J. F. Mainieri | 2002-06-04 |
| 6216612 | Ultra fine fly ash and a system for collecting the same | R. F. Ridgeway, J. F. Mainieri | 2001-04-17 |
| 4444914 | Smoke and toxic gas suppressant system | Derek A. Smith, Stephen J. Grayson | 1984-04-24 |