Granted Patent
Utility
US 6,509,496 · App. 09/691,055
Process for making mineral, food or pharmaceutical grade salt products
Inventors:
Dennis M. Hager, William Stern, Kim Nielsen
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Oct 19, 2000
Inventors
Dennis M. Hager
William Stern
Kim Nielsen
Assignee (at issue)
Nutrapure, 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.