Granted Patent
Utility
US 6,558,571 · App. 09/637,975
Oxygen-absorbing composition and method
Inventor:
Thomas H. Powers
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Aug 11, 2000
Inventor
Thomas H. Powers
Assignee (at issue)
Multisorb Technologies, 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.