Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810301 | Method of recycling batches of mixed color cullet into amber, green, or flint glass with selected properties | — | 2004-10-26 |
| 6763280 | Automated process for recycling batches of mixed color cullet into amber, green, or flint glass with selected properties | — | 2004-07-13 |