Granted Patent
Utility
US 6,740,406 · App. 09/738,103
Coated activated carbon
Inventors:
Sheng-Hsin Hu, Ronald Lee Edens, Jeffrey Dean Lindsay, Thomas Gerard Shannon
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Dec 15, 2000
Inventors
Sheng-Hsin Hu
Ronald Lee Edens
Jeffrey Dean Lindsay
Thomas Gerard Shannon
Assignee (at issue)
Kimberly-Clark Worldwide, 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.