Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315956 | Limestone masonry veneer, resurfacing and aesthetic overlay compositions, methods of making and methods of use | Kenneth W. S. Morrison | 2019-06-11 |
| 5512093 | Hot mix asphalt and method of preparation thereof | Fred R. Huege, Robin E. Graves, Timothy L. Salter, Patrick Shields | 1996-04-30 |
| 5336022 | Method for producing enhanced soil stabilization reactions between lime and clay soils due to the effect of silica addition | J. T. McKennon, David C. Hoffman | 1994-08-09 |
| 5228808 | Method for preventing the adverse effects of swell in sulfate bearing, expansive clay soils | J. T. McKennon, David C. Hoffman | 1993-07-20 |
| 5186742 | Method and composition for use in recycling metal containing furnace dust | David C. Hoffman | 1993-02-16 |
| 4464353 | Quicklime slaking process | — | 1984-08-07 |