Granted Patent
Utility
US 6,423,151 · App. 09/515,457
Removal of toxic contaminants from porous material
Inventors:
Luciano A. Gonzalez, Blair F. Sim, Henry E. Kowalyk, Alexandre Z. Mlynarczyk, Nobuyoshi Miura
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Feb 29, 2000
Inventors
Luciano A. Gonzalez
Blair F. Sim
Henry E. Kowalyk
Alexandre Z. Mlynarczyk
Nobuyoshi Miura
Assignee (at issue)
Kinetrics, 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.