Granted Patent
Utility
US 5,310,549 · App. 07/401,092
Solid concentrate iodine composition
Inventor:
Sandra L. Bull
Patented Case
View Patent ↗
Granted: May 10, 1994
Filed: Aug 31, 1989
Inventor
Sandra L. Bull
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.