Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7273567 | Energy-activated compositions for controlled sustained release of a gas | Stephen T. Wellinghoff, Joel J. Kampa, Michael Lelah, Sumner A. Barenberg, Hong Dixon | 2007-09-25 |
| 6767509 | Self-sterilizing packaging | Henry L. Griesbach, III | 2004-07-27 |
| 6605304 | Silicate-containing powders providing controlled, sustained gas release | Stephen T. Wellinghoff, Joel J. Kampa, Sumner A. Barenberg, Michael Lelah | 2003-08-12 |
| 6277408 | Silicate-containing powders providing controlled, sustained gas release | Stephen T. Wellinghoff, Joel J. Kampa, Sumner A. Barenberg, Michael Lelah | 2001-08-21 |
| 5980826 | Methods of deodorizing and retarding contamination or mold growth using chlorine dioxide | Sumner A. Barenberg | 1999-11-09 |
| 5965264 | Powders providing controlled sustained release of a gas | Sumner A. Barenberg, Michael Lelah | 1999-10-12 |
| 5922776 | Sustained release, transparent biocidal compositions | Stephen T. Wellinghoff, Joel J. Kampa, Sumner A. Barenberg | 1999-07-13 |