DH

Douglas A. Hanggi

3M: 2 patents #269 of 1,379Top 20%
Overall (2017): #157,144 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9717798 Polymeric colorant compositions and methods of use Louis C. Haddad, David B. Olson, Matthew T. Scholz, Dong-Wei Zhu 2017-08-01
9657038 Guanidine-functionalized particles and methods of making and using George W. Griesgraber, Robert T. Fitzsimons, Jr., Masayuki Nakamura, Jerald K. Rasmussen 2017-05-23