Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300861 | Method of using admixture of water-soluble polymers in latex form and gypsum as seepage control agents | — | 1981-11-17 |
| 4208973 | Soil anti-crustant | William K. Baer, Ralph R. Nielsen | 1980-06-24 |