Granted Patent
Utility
US 4,680,134 · App. 06/840,455
Method for forming solid detergent compositions
Inventors:
Bernard J. Heile, Terry J. Klos
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Mar 17, 1986
Inventors
Bernard J. Heile
Terry J. Klos
Assignee (at issue)
ECOLAB INC.
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.