Granted Patent
Utility
US 6,485,651 · App. 09/819,213
Quick inverting liquid flocculant
Inventor:
Merle L. Branning
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Mar 28, 2001
Inventor
Merle L. Branning
Assignee (at issue)
Ondeo Nalco Company
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.