Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966761 | Process for treatment of flyash | Vaikuntam I. Lakshmanan, Robert A. Geisler, Nairn M. McQueen | 1990-10-30 |
| 4798709 | Process for treatment of flyash | Vaikuntam I. Lakshmanan, Robert A. Geisler | 1989-01-17 |