Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444130 | Process for rendering waste from electric furnace production of phosphorus non-hazardous | James L. Manganaro, Henry A. Pfeffer, Jay R. Brummer, Bert D. McMunn, William M. Copa | 2002-09-03 |
| 6372402 | Developer compositions and processes | David H. Pan | 2002-04-16 |
| 6348292 | Developer compositions and processes | David H. Pan, Weizhong Zhao, Thomas W. Smith | 2002-02-19 |
| 6346357 | Developer compositions and processes | David H. Pan, Weizhong Zhao | 2002-02-12 |
| 6335136 | Developer compositions and processes | David H. Pan | 2002-01-01 |