Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7022314 | Anti-plaque emulsions and products containing same | Dave L. Witkewitz | 2006-04-04 |
| 6955827 | Method of controlling release of antimicrobial agents in chewing gum | Steven E. Zibell, David L. Witkewitz, Michael J. Greenberg | 2005-10-18 |
| 6592912 | Method of controlling release of antimicrobial agents from chewing gum and gum produced thereby | Steven E. Zibell, David L. Witkewitz, Michael J. Greenberg, Robert J. Yatka | 2003-07-15 |
| 6436369 | Anti-plaque emulsions and products containing same | Dave L. Witkewitz | 2002-08-20 |
| 4986991 | Chewing gum having an extended sweetness | Robert J. Yatka, Patrick Prombo, Steven E. Zibell, Gordon N. McGrew | 1991-01-22 |
| 4975287 | Gum composition containing protein macrocolloids | Steven E. Zibell, Lindell C. Richey, Michael A. Reed, Steven B. Courtright | 1990-12-04 |