Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981394 | Method of sealing permeable unconsolidated materials | George W. Putman, James Young | 1991-01-01 |
| 4869621 | Method of sealing permeable earth surface or subsurface materials having alkaline conditions by induced precipitation of carbonates | George W. Putman, James Young | 1989-09-26 |