Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804390 | Process for removing mineral impurities from coals and oil shales | Robert Lloyd | 1989-02-14 |
| 4780112 | Method for the continuous chemical reduction and removal of mineral matter contained in carbon structures | Robert Lloyd | 1988-10-25 |
| 4224732 | Method of manufacturing a container | Robert Lloyd | 1980-09-30 |
| 4208789 | Container manufacturing apparatus | Robert Lloyd | 1980-06-24 |