DW

David L. Witkewitz

WJ Wm. Wrigley Jr.: 2 patents #7 of 30Top 25%
📍 Bridgeview, IL: #1 of 3 inventorsTop 35%
🗺 Illinois: #618 of 5,836 inventorsTop 15%
Overall (2002): #68,302 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6472000 Method of controlling release of bitterness inhibitors in chewing gum and gum produced thereby Victor V. Gudas, Michael A. Reed, Philip G. Schnell, Henry T. Tyrpin, Michael J. Greenberg +1 more 2002-10-29
6444241 Caffeine coated chewing gum product and process of making Henry T. Tyrpin, Michael P. Russell, Sonya S. Johnson, Ronald L. Ream, Christine L. Corriveau 2002-09-03