Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4532128 | Quaternary ammonium group-containing polymers having antimicrobial activity | Robert E. Wingard, Jr., Ned M. Weinshenker, Daniel J. Dawson | 1985-07-30 |
| 4482680 | Quaternary ammonium group-containing polymers having antimicrobial activity | Robert E. Wingard, Jr., Ned M. Weinshenker, Daniel J. Dawson | 1984-11-13 |