Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8216954 | Taphole fill material and method for manufacturing the same | — | 2012-07-10 |
| 8062577 | Alumina taphole fill material and method for manufacturing | — | 2011-11-22 |
| 6714348 | Cordless microscope | — | 2004-03-30 |
| 6584137 | Method for making steel with electric arc furnace | ERIK NISSEN | 2003-06-24 |
| 6074458 | Method and apparatus for separation of unburned carbon from flyash | James D. Bittner, Frank J. Hrach, Jr. | 2000-06-13 |
| 5904253 | Belt separator system having improved belt geometry | Thomas Cerullo, Charles E. Bozman | 1999-05-18 |
| D403338 | Video microscope | — | 1998-12-29 |
| D398621 | Video microscope | — | 1998-09-22 |
| D374020 | Video microscope | — | 1996-09-24 |