Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149508 | Parallel path catalytic converter | — | 1992-09-22 |
| 4942020 | Converter for removing pollutants from a gas stream | William A. Whittenberger, Edward M. Smith, William R. Alcorn | 1990-07-17 |
| 4869738 | Particulate trap | William R. Alcorn, Edward M. Smith, William A. Whittenberger | 1989-09-26 |
| 4823583 | Particulate trap | William A. Whittenberger | 1989-04-25 |
| 4810588 | Nonnesting, straight corrugation metal foil and method for making same | William A. Whittenberger | 1989-03-07 |