Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340438 | Corrosion inhibiting admixture for concrete | Donald R. Lane, Violeta F. Munteanu, Frederick D. Kinney | 2002-01-22 |
| 5028267 | Aqueous dispersion of microsilica having a delayed thixotropic reaction | Donald R. Lane | 1991-07-02 |
| 4913741 | Chemical additive for hydraulic cement mixes | Donald R. Lane | 1990-04-03 |
| 4737193 | Chemical additive for hydraulic cement mixes | Paul F. Gutmann, Donald R. Lane | 1988-04-12 |