DT

Donald J. Townsend

WJ Wm. Wrigley Jr.: 30 patents #10 of 442Top 3%
📍 Chicago, IL: #254 of 13,327 inventorsTop 2%
🗺 Illinois: #2,004 of 84,256 inventorsTop 3%
Overall (All Time): #125,979 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
5523097 Continuous gum base manufacture using sequential mixers Joo H. Song 1996-06-04
5486366 Continuous chewing gum base manufacturing process using a mixing-restriction element Joo H. Song 1996-01-23
5447565 Apparatus and method for coating particles Joo H. Song 1995-09-05
5419919 Continuous gum base manufacture using paddle mixing Joo H. Song 1995-05-30
5397580 Continuous gum base manufacture using sequential mixers Joo H. Song 1995-03-14