DB

David G. Barkalow

WJ Wm. Wrigley Jr.: 28 patents #12 of 442Top 3%
📍 Deerfield, IL: #14 of 442 inventorsTop 4%
🗺 Illinois: #2,253 of 84,256 inventorsTop 3%
Overall (All Time): #136,829 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
5330771 Use of eugenol in chewing gum as an antioxidant Jacara R. Muhammad, Gordon N. McGrew 1994-07-19
5200214 Tocopherol mixture for use as a mint oil antioxidant in chewing gum Michael J. Greenberg, Gordon N. McGrew 1993-04-06
5139796 Tocopherol mixture for use as a mint oil antioxidant in chewing gum Michael J. Greenberg, Gordon N. McGrew 1992-08-18