RY

Robert J. Yatka

WJ Wm. Wrigley Jr.: 53 patents #2 of 442Top 1%
MC Matsutani Chemical Industries Co.: 3 patents #7 of 31Top 25%
📍 Orland Park, IL: #2 of 351 inventorsTop 1%
🗺 Illinois: #715 of 84,256 inventorsTop 1%
Overall (All Time): #49,539 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
4986991 Chewing gum having an extended sweetness Patrick Prombo, Roman M. Barabolak, Steven E. Zibell, Gordon N. McGrew 1991-01-22
4940589 Use of aqueous thaumatin to enhance sweetness of chewing gum Albert H. Chapdelaine 1990-07-10
4931294 Environmentally stable chewing gum composition containing xylitol Mansukh M. Patel, Michael A. Reed 1990-06-05