Granted Patent
Utility
US 6,623,657 · App. 10/125,147
Water-activated, exothermic chemical deicing formulations
Inventors:
Kris A. Berglund, Dilum Dunuwila, Hasan Alizadeh
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Apr 18, 2002
Inventors
Kris A. Berglund
Dilum Dunuwila
Hasan Alizadeh
Assignee (at issue)
Board of Trustees of Michigan State University
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.