Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556458 | Cementitious compositions | David F. Factor, Frederick D. Kinney, Celeste L. McCallen, Andrea M. Young | 1996-09-17 |
| 5536310 | Cementitious compositions containing fly ash | David F. Factor, Frederick D. Kinney, Celeste L. McCallen, Andrea M. Young | 1996-07-16 |
| 5176753 | Concrete admixture compositions | — | 1993-01-05 |
| 4933546 | Orifice ring ion beam neutralizer | Eric P. Muntz, Vincent S. Calia | 1990-06-12 |